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This is a list of some of the ways ''regions'' is defined in the
United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., federal district, five ma ...
. Many regions are defined in law or regulations by the federal government; others by shared culture and history, and others by economic factors.


Interstate regions


Census Bureau-designated regions and divisions

Since 1950, the United States Census Bureau defines four statistical regions, with nine divisions. The Census Bureau region definition is "widely used ... for data collection and analysis","The National Energy Modeling System: An Overview 2003" (Report #: DOE/EIA-0581, October 2009). United States Department of Energy,
Energy Information Administration The U.S. Energy Information Administration (EIA) is a principal agency of the U.S. Federal Statistical System responsible for collecting, analyzing, and disseminating energy information to promote sound policymaking, efficient markets, and publ ...
. and is the most commonly used classification system. * Region 1:
Northeast The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each sepa ...
** Division 1:
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian province ...
(
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...
,
Maine Maine () is a U.S. state, state in the New England and Northeastern United States, Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and territories of Canad ...
,
Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...
,
New Hampshire New Hampshire is a state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec to the nor ...
,
Rhode Island Rhode Island (, like ''road'') is a state in the New England region of the Northeastern United States. It is the smallest U.S. state by area and the seventh-least populous, with slightly fewer than 1.1 million residents as of 2020, but i ...
, and
Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to the ...
) ** Division 2: Middle Atlantic (
New Jersey New Jersey is a U.S. state, state in the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. It is bordered on the north and east by the state of New York (state), New York; on the ea ...
,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, and
Pennsylvania Pennsylvania (; (Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Ma ...
) * Region 2:
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. ...
(Prior to June 1984, the Midwest Region was designated as the North Central Region.) ** Division 3: East North Central (
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Roc ...
,
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
,
Michigan Michigan () is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the List of U.S. states and ...
,
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
, and
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
) ** Division 4: West North Central (
Iowa Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
,
Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to ...
,
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the List of U.S. states and territories by population, 22nd most populous, with over 5.75 million residents. Minne ...
,
Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...
,
Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the so ...
,
North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minnesota to the east, S ...
, and
South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...
) * Region 3:
South South is one of the cardinal directions or compass points. The direction is the opposite of north and is perpendicular to both east and west. Etymology The word ''south'' comes from Old English ''sūþ'', from earlier Proto-Germanic ''*sunþa ...
** Division 5:
South Atlantic The Atlantic Ocean is the second-largest of the world's five oceans, with an area of about . It covers approximately 20% of Earth's surface and about 29% of its water surface area. It is known to separate the "Old World" of Africa, Europe an ...
(
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacen ...
;
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...
;
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to t ...
;
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; ...
;
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia a ...
;
South Carolina )'' Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = "Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = G ...
;
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the East Coast of the United States, Atlantic Coast and the Appalachian Mountains. The geography an ...
; Washington, D.C. and
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...
) ** Division 6: East South Central (
Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virgini ...
,
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Mis ...
, and
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...
) ** Division 7: West South Central (
Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the ...
,
Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a U.S. state, state in the Deep South and South Central United States, South Central regions of the United States. It is the List of U.S. states and territories by area, 20th-smal ...
, Oklahoma, and
Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...
) * Region 4:
West West or Occident is one of the four cardinal directions or points of the compass. It is the opposite direction from east and is the direction in which the Sun sets on the Earth. Etymology The word "west" is a Germanic word passed into some ...
** Division 8:
Mountain A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...
(
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...
,
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
,
Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and W ...
,
Montana Montana () is a U.S. state, state in the Mountain states, Mountain West List of regions of the United States#Census Bureau-designated regions and divisions, division of the Western United States. It is bordered by Idaho to the west, North ...
,
Nevada Nevada ( ; ) is a state in the Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the 7th-most extensive, ...
,
New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...
,
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...
, and
Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the sou ...
) ** Division 9:
Pacific The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions. It extends from the Arctic Ocean in the north to the Southern Ocean (or, depending on definition, to Antarctica) in the south, and is bounded by the continen ...
(
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...
,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...
,
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only ...
,
Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idah ...
, and Washington) Puerto Rico and other US territories are not part of any census region or census division.


Standard Federal Regions

The ten standard federal regions were established by OMB (
Office of Management and Budget The Office of Management and Budget (OMB) is the largest office within the Executive Office of the President of the United States (EOP). OMB's most prominent function is to produce the president's budget, but it also examines agency programs, pol ...
) Circular A-105, ''"Standard Federal Regions",'' in April 1974, and went into use for all executive agencies. In recent years, some agencies have tailored their field structures to meet program needs and facilitate interaction with local, state, and regional counterparts. However, the OMB must still approve any departures. * Region I:
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...
,
Maine Maine () is a U.S. state, state in the New England and Northeastern United States, Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and territories of Canad ...
,
Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...
,
New Hampshire New Hampshire is a state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec to the nor ...
,
Rhode Island Rhode Island (, like ''road'') is a state in the New England region of the Northeastern United States. It is the smallest U.S. state by area and the seventh-least populous, with slightly fewer than 1.1 million residents as of 2020, but i ...
,
Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to the ...
* Region II:
New Jersey New Jersey is a U.S. state, state in the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. It is bordered on the north and east by the state of New York (state), New York; on the ea ...
,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
,
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...
,
US Virgin Islands The United States Virgin Islands,. Also called the ''American Virgin Islands'' and the ''U.S. Virgin Islands''. officially the Virgin Islands of the United States, are a group of Caribbean islands and an unincorporated and organized territory ...
* Region III:
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacen ...
,
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan ...
,
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; ...
,
Pennsylvania Pennsylvania (; (Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Ma ...
,
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the East Coast of the United States, Atlantic Coast and the Appalachian Mountains. The geography an ...
,
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...
* Region IV:
Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...
,
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...
,
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to t ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virgini ...
,
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Mis ...
,
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia a ...
,
South Carolina )'' Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = "Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = G ...
,
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...
* Region V:
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Roc ...
,
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
,
Michigan Michigan () is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the List of U.S. states and ...
,
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the List of U.S. states and territories by population, 22nd most populous, with over 5.75 million residents. Minne ...
,
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
,
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
* Region VI: Arkansas, Louisiana, New Mexico, Oklahoma, Texas * Region VII: Iowa, Kansas, Missouri, Nebraska * Region VIII: Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming * Region IX: Arizona, California, Hawaii, Nevada, American Samoa, Guam, Northern Mariana Islands * Region X: Alaska, Idaho, Oregon, Washington Note: OMB Circular A-105 was rescinded on June 8, 1995.


Federal Reserve Banks

The
Federal Reserve Act of 1913 The Federal Reserve Act was passed by the 63rd United States Congress and signed into law by President Woodrow Wilson on December 23, 1913. The law created the Federal Reserve System, the central banking system of the United States. The Pa ...
divided the country into twelve districts with a central
Federal Reserve Bank A Federal Reserve Bank is a regional bank of the Federal Reserve System, the central banking system of the United States. There are twelve in total, one for each of the twelve Federal Reserve Districts that were created by the Federal Reserve A ...
in each district. These twelve Federal Reserve Banks together form a major part of the
Federal Reserve System The Federal Reserve System (often shortened to the Federal Reserve, or simply the Fed) is the central banking system of the United States of America. It was created on December 23, 1913, with the enactment of the Federal Reserve Act, after a ...
, the
central bank A central bank, reserve bank, or monetary authority is an institution that manages the currency and monetary policy of a country or monetary union, and oversees their commercial banking system. In contrast to a commercial bank, a centra ...
ing system of the United States.
Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...
is the only
U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sove ...
to have two Federal Reserve locations within its borders, but several other states are also divided between more than one district. #
Boston Boston (), officially the City of Boston, is the capital city, state capital and List of municipalities in Massachusetts, most populous city of the Commonwealth (U.S. state), Commonwealth of Massachusetts, as well as the cultural and financ ...
#
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
#
Philadelphia Philadelphia, often called Philly, is the largest city in the Commonwealth of Pennsylvania, the sixth-largest city in the U.S., the second-largest city in both the Northeast megalopolis and Mid-Atlantic regions after New York City. Sinc ...
#
Cleveland Cleveland ( ), officially the City of Cleveland, is a city in the U.S. state of Ohio and the county seat of Cuyahoga County. Located in the northeastern part of the state, it is situated along the southern shore of Lake Erie, across the U ...
# Richmond #
Atlanta Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,71 ...
#
Chicago (''City in a Garden''); I Will , image_map = , map_caption = Interactive Map of Chicago , coordinates = , coordinates_footnotes = , subdivision_type = List of sovereign states, Count ...
# St. Louis #
Minneapolis Minneapolis () is the largest city in Minnesota, United States, and the county seat of Hennepin County. The city is abundant in water, with list of lakes in Minneapolis, thirteen lakes, wetlands, the Mississippi River, creeks and waterfalls. ...
#
Kansas City The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more ...
#
Dallas Dallas () is the List of municipalities in Texas, third largest city in Texas and the largest city in the Dallas–Fort Worth metroplex, the List of metropolitan statistical areas, fourth-largest metropolitan area in the United States at 7.5 ...
#
San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...


Time zones

* UTC−12:00 (
Baker Island Baker Island, formerly known as New Nantucket, is an uninhabited atoll just north of the Equator in the central Pacific Ocean about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia. Its nearest neighbor is Ho ...
,
Howland Island Howland Island () is an uninhabited coral island located just north of the equator in the central Pacific Ocean, about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia and is an unorganized, unincorporated terr ...
) * Samoa Time Zone (
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internation ...
,
Jarvis Island Jarvis Island (; formerly known as Bunker Island or Bunker's Shoal) is an uninhabited coral island located in the South Pacific Ocean, about halfway between Hawaii and the Cook Islands. It is an unincorporated, unorganized territory of the Uni ...
,
Kingman Reef Kingman Reef is a largely submerged, uninhabited, triangle-shaped reef, geologically an atoll, east-west and north-south, in the North Pacific Ocean, roughly halfway between the Hawaiian Islands and American Samoa. It has an area of 3 he ...
, Midway Atoll,
Palmyra Atoll Palmyra Atoll (), also referred to as Palmyra Island, is one of the Northern Line Islands (southeast of Kingman Reef and north of Kiribati). It is located almost due south of the Hawaiian Islands, roughly one-third of the way between Hawaii an ...
) *
Hawaii–Aleutian Time Zone The Hawaii–Aleutian Time Zone observes Hawaii–Aleutian Standard Time (HST) by subtracting ten hours from Coordinated Universal Time ( UTC−10:00). The clock time in this zone is based on the mean solar time of the 150th meridian west of the ...
(
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only ...
, Aleutian Islands (Alaska),
Johnston Atoll Johnston Atoll is an unincorporated territory of the United States, currently administered by the United States Fish and Wildlife Service (USFWS). Johnston Atoll is a National Wildlife Refuge and part of the Pacific Remote Islands Marine Nation ...
) *
Alaska Time Zone The Alaska Time Zone observes standard time by subtracting nine hours from Coordinated Universal Time ( UTC−09:00). During daylight saving time its time offset is eight hours ( UTC−08:00). The clock time in this zone is based on mean solar ...
(
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...
, excluding Aleutian Islands) * Pacific Time Zone * Arizona Time Zone (excluding the
Navajo Nation The Navajo Nation ( nv, Naabeehó Bináhásdzo), also known as Navajoland, is a Native Americans in the United States, Native American Indian reservation, reservation in the United States. It occupies portions of northeastern Arizona, northwe ...
) *
Mountain Time Zone The Mountain Time Zone of North America keeps time by subtracting seven hours from Coordinated Universal Time (UTC) when standard time ( UTC−07:00) is in effect, and by subtracting six hours during daylight saving time ( UTC−06:00). The cl ...
(excluding most parts of
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...
) *
Central Time Zone The North American Central Time Zone (CT) is a time zone in parts of Canada, the United States, Mexico, Central America, some Caribbean Islands, and part of the Eastern Pacific Ocean. Central Standard Time (CST) is six hours behind Coordina ...
*
Eastern Time Zone The Eastern Time Zone (ET) is a time zone encompassing part or all of 23 states in the eastern part of the United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama, Colombia, mainland Ecuador, Peru, and a sma ...
* Atlantic Time Zone (
Puerto Rico Puerto Rico (; abbreviated PR; tnq, Boriken, ''Borinquen''), officially the Commonwealth of Puerto Rico ( es, link=yes, Estado Libre Asociado de Puerto Rico, lit=Free Associated State of Puerto Rico), is a Caribbean island and Unincorporated ...
,
U.S. Virgin Islands The United States Virgin Islands,. Also called the ''American Virgin Islands'' and the ''U.S. Virgin Islands''. officially the Virgin Islands of the United States, are a group of Caribbean islands and an unincorporated and organized territory ...
) * Chamorro Time Zone (
Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic ce ...
,
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonwe ...
) * Wake Island Time Zone (
Wake Island Wake Island ( mh, Ānen Kio, translation=island of the Sida fallax, kio flower; also known as Wake Atoll) is a coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, east of Guam, west of Honolulu, sou ...
)


Courts of Appeals circuits

* First Circuit * Second Circuit * Third Circuit * Fourth Circuit * Fifth Circuit * Sixth Circuit * Seventh Circuit * Eighth Circuit *
Ninth Circuit The United States Court of Appeals for the Ninth Circuit (in case citations, 9th Cir.) is the U.S. federal court of appeals that has appellate jurisdiction over the U.S. district courts in the following federal judicial districts: * Distric ...
*
Tenth Circuit The United States Court of Appeals for the Tenth Circuit (in case citations, 10th Cir.) is a federal court with appellate jurisdiction over the district courts in the following districts: * District of Colorado * District of Kansas * Distr ...
* Eleventh Circuit * D.C. Circuit The Federal Circuit is not a regional circuit. Its jurisdiction is nationwide but based on the subject matter.


Bureau of Economic Analysis regions

The
Bureau of Economic Analysis The Bureau of Economic Analysis (BEA) of the United States Department of Commerce is a U.S. government agency that provides official macroeconomic and industry statistics, most notably reports about the gross domestic product (GDP) of the United ...
defines regions for comparison of economic data. * New England:
Connecticut Connecticut () is the southernmost state in the New England region of the Northeastern United States. It is bordered by Rhode Island to the east, Massachusetts to the north, New York to the west, and Long Island Sound to the south. Its cap ...
,
Maine Maine () is a U.S. state, state in the New England and Northeastern United States, Northeastern regions of the United States. It borders New Hampshire to the west, the Gulf of Maine to the southeast, and the Provinces and territories of Canad ...
,
Massachusetts Massachusetts (Massachusett language, Massachusett: ''Muhsachuweesut assachusett writing systems, məhswatʃəwiːsət'' English: , ), officially the Commonwealth of Massachusetts, is the most populous U.S. state, state in the New England ...
,
New Hampshire New Hampshire is a state in the New England region of the northeastern United States. It is bordered by Massachusetts to the south, Vermont to the west, Maine and the Gulf of Maine to the east, and the Canadian province of Quebec to the nor ...
,
Rhode Island Rhode Island (, like ''road'') is a state in the New England region of the Northeastern United States. It is the smallest U.S. state by area and the seventh-least populous, with slightly fewer than 1.1 million residents as of 2020, but i ...
, and
Vermont Vermont () is a state in the northeast New England region of the United States. Vermont is bordered by the states of Massachusetts to the south, New Hampshire to the east, and New York to the west, and the Canadian province of Quebec to the ...
* Mideast:
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacen ...
,
District of Columbia ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan ...
,
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It shares borders with Virginia, West Virginia, and the District of Columbia to its south and west; Pennsylvania to its north; ...
,
New Jersey New Jersey is a U.S. state, state in the Mid-Atlantic States, Mid-Atlantic and Northeastern United States, Northeastern regions of the United States. It is bordered on the north and east by the state of New York (state), New York; on the ea ...
,
New York New York most commonly refers to: * New York City, the most populous city in the United States, located in the state of New York * New York (state), a state in the northeastern United States New York may also refer to: Film and television * '' ...
, and
Pennsylvania Pennsylvania (; (Pennsylvania Dutch: )), officially the Commonwealth of Pennsylvania, is a state spanning the Mid-Atlantic, Northeastern, Appalachian, and Great Lakes regions of the United States. It borders Delaware to its southeast, Ma ...
* Great Lakes:
Illinois Illinois ( ) is a state in the Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolitan areas include, Peoria and Roc ...
,
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
,
Michigan Michigan () is a U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the List of U.S. states and ...
,
Ohio Ohio () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Of the List of states and territories of the United States, fifty U.S. states, it is the List of U.S. states and territories by area, 34th-l ...
, and
Wisconsin Wisconsin () is a state in the upper Midwestern United States. Wisconsin is the 25th-largest state by total area and the 20th-most populous. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake M ...
* Plains:
Iowa Iowa () is a U.S. state, state in the Midwestern United States, Midwestern region of the United States, bordered by the Mississippi River to the east and the Missouri River and Big Sioux River to the west. It is bordered by six states: Wiscon ...
,
Kansas Kansas () is a state in the Midwestern United States. Its capital is Topeka, and its largest city is Wichita. Kansas is a landlocked state bordered by Nebraska to the north; Missouri to the east; Oklahoma to the south; and Colorado to ...
,
Minnesota Minnesota () is a state in the upper midwestern region of the United States. It is the 12th largest U.S. state in area and the List of U.S. states and territories by population, 22nd most populous, with over 5.75 million residents. Minne ...
,
Missouri Missouri is a U.S. state, state in the Midwestern United States, Midwestern region of the United States. Ranking List of U.S. states and territories by area, 21st in land area, it is bordered by eight states (tied for the most with Tennessee ...
,
Nebraska Nebraska () is a state in the Midwestern region of the United States. It is bordered by South Dakota to the north; Iowa to the east and Missouri to the southeast, both across the Missouri River; Kansas to the south; Colorado to the so ...
,
North Dakota North Dakota () is a U.S. state in the Upper Midwest, named after the indigenous Dakota Sioux. North Dakota is bordered by the Canadian provinces of Saskatchewan and Manitoba to the north and by the U.S. states of Minnesota to the east, S ...
, and
South Dakota South Dakota (; Sioux language, Sioux: , ) is a U.S. state in the West North Central states, North Central region of the United States. It is also part of the Great Plains. South Dakota is named after the Lakota people, Lakota and Dakota peo ...
* Southeast:
Alabama (We dare defend our rights) , anthem = " Alabama" , image_map = Alabama in United States.svg , seat = Montgomery , LargestCity = Huntsville , LargestCounty = Baldwin County , LargestMetro = Greater Birmingham , area_total_km2 = 135,7 ...
,
Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the ...
,
Florida Florida is a state located in the Southeastern region of the United States. Florida is bordered to the west by the Gulf of Mexico, to the northwest by Alabama, to the north by Georgia, to the east by the Bahamas and Atlantic Ocean, a ...
,
Georgia Georgia most commonly refers to: * Georgia (country), a country in the Caucasus region of Eurasia * Georgia (U.S. state), a state in the Southeast United States Georgia may also refer to: Places Historical states and entities * Related to t ...
,
Kentucky Kentucky ( , ), officially the Commonwealth of Kentucky, is a state in the Southeastern region of the United States and one of the states of the Upper South. It borders Illinois, Indiana, and Ohio to the north; West Virginia and Virgini ...
,
Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a U.S. state, state in the Deep South and South Central United States, South Central regions of the United States. It is the List of U.S. states and territories by area, 20th-smal ...
,
Mississippi Mississippi () is a state in the Southeastern region of the United States, bordered to the north by Tennessee; to the east by Alabama; to the south by the Gulf of Mexico; to the southwest by Louisiana; and to the northwest by Arkansas. Mis ...
,
North Carolina North Carolina () is a state in the Southeastern region of the United States. The state is the 28th largest and 9th-most populous of the United States. It is bordered by Virginia to the north, the Atlantic Ocean to the east, Georgia a ...
,
South Carolina )'' Animis opibusque parati'' ( for, , Latin, Prepared in mind and resources, links=no) , anthem = "Carolina";" South Carolina On My Mind" , Former = Province of South Carolina , seat = Columbia , LargestCity = Charleston , LargestMetro = G ...
,
Tennessee Tennessee ( , ), officially the State of Tennessee, is a landlocked state in the Southeastern region of the United States. Tennessee is the 36th-largest by area and the 15th-most populous of the 50 states. It is bordered by Kentucky to ...
,
Virginia Virginia, officially the Commonwealth of Virginia, is a state in the Mid-Atlantic and Southeastern regions of the United States, between the East Coast of the United States, Atlantic Coast and the Appalachian Mountains. The geography an ...
, and
West Virginia West Virginia is a state in the Appalachian, Mid-Atlantic and Southeastern regions of the United States.The Census Bureau and the Association of American Geographers classify West Virginia as part of the Southern United States while the ...
* Southwest:
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a U.S. state, state in the Southwestern United States. It is the list of U.S. states and territories by area, 6th largest and the list of U.S. states and territories by population, 14 ...
,
New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe, New Mexico, Santa Fe , LargestCity = Albuquerque, New Mexico, Albuquerque , LargestMetro = Albuquerque metropolitan area, Tiguex , Offi ...
, Oklahoma, and
Texas Texas (, ; Spanish language, Spanish: ''Texas'', ''Tejas'') is a state in the South Central United States, South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2 ...
* Rocky Mountain:
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
,
Idaho Idaho ( ) is a state in the Pacific Northwest region of the Western United States. To the north, it shares a small portion of the Canada–United States border with the province of British Columbia. It borders the states of Montana and W ...
,
Montana Montana () is a U.S. state, state in the Mountain states, Mountain West List of regions of the United States#Census Bureau-designated regions and divisions, division of the Western United States. It is bordered by Idaho to the west, North ...
,
Utah Utah ( , ) is a state in the Mountain West subregion of the Western United States. Utah is a landlocked U.S. state bordered to its east by Colorado, to its northeast by Wyoming, to its north by Idaho, to its south by Arizona, and to its ...
, and
Wyoming Wyoming () is a state in the Mountain West subregion of the Western United States. It is bordered by Montana to the north and northwest, South Dakota and Nebraska to the east, Idaho to the west, Utah to the southwest, and Colorado to the sou ...
* Far West:
Alaska Alaska ( ; russian: Аляска, Alyaska; ale, Alax̂sxax̂; ; ems, Alas'kaaq; Yup'ik: ''Alaskaq''; tli, Anáaski) is a state located in the Western United States on the northwest extremity of North America. A semi-exclave of the U.S ...
,
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...
,
Hawaii Hawaii ( ; haw, Hawaii or ) is a state in the Western United States, located in the Pacific Ocean about from the U.S. mainland. It is the only U.S. state outside North America, the only state that is an archipelago, and the only ...
,
Nevada Nevada ( ; ) is a state in the Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Nevada is the 7th-most extensive, ...
,
Oregon Oregon () is a state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington, while the Snake River delineates much of its eastern boundary with Idah ...
, and Washington


Energy Information Administration

The
Energy Information Administration The U.S. Energy Information Administration (EIA) is a principal agency of the U.S. Federal Statistical System responsible for collecting, analyzing, and disseminating energy information to promote sound policymaking, efficient markets, and publ ...
currently uses the
PADD In the ''Star Trek'' fictional universe, LCARS (; an acronym for Library Computer Access/Retrieval System) is a computer operating system. Within ''Star Trek'' chronology, the term was first used in the '' Star Trek: The Next Generation'' series ...
system established by Petroleum Administration for War in
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
. It is used for data collection on refining petroleum and its products. Each PADD is subdivided into refining districts. * PADD I: East Coast ** East Coast: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut, New Jersey, Delaware, Maryland, Virginia, North Carolina, South Carolina, Georgia, Florida; along with counties in New York east of, north of and including
Cayuga Cayuga often refers to: * Cayuga people, a native tribe to North America, part of the Iroquois Confederacy * Cayuga language, the language of the Cayuga Cayuga may also refer to: Places Canada * Cayuga, Ontario United States * Cayuga, Illinois ...
, Tompkins, and Chemung; and counties in Pennsylvania east of and including Bradford,
Sullivan Sullivan may refer to: People Characters * Chloe Sullivan, from the television series ''Smallville'' * Colin Sullivan, a character in the film ''The Departed'', played by Matt Damon * Harry Sullivan (''Doctor Who''), from the British science f ...
,
Columbia Columbia may refer to: * Columbia (personification), the historical female national personification of the United States, and a poetic name for America Places North America Natural features * Columbia Plateau, a geologic and geographic region in ...
, Montour,
Northumberland Northumberland () is a ceremonial counties of England, county in Northern England, one of two counties in England which border with Scotland. Notable landmarks in the county include Alnwick Castle, Bamburgh Castle, Hadrian's Wall and Hexham Ab ...
, Dauphin and
York York is a cathedral city with Roman Britain, Roman origins, sited at the confluence of the rivers River Ouse, Yorkshire, Ouse and River Foss, Foss in North Yorkshire, England. It is the historic county town of Yorkshire. The city has many hist ...
. ** Appalachian No. 1: West Virginia along with counties of Pennsylvania and New York State not mentioned above. * PADD II:
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. ...
** Indiana-Illinois-Kentucky: Indiana, Illinois, Kentucky, Tennessee, Michigan, Ohio ** Minnesota-Wisconsin-North and South Dakota: Minnesota, Wisconsin, North Dakota, South Dakota ** Oklahoma-Kansas-Missouri: Oklahoma, Kansas, Missouri, Nebraska, Iowa * PADD III:
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coastline along the Southern United States where they meet the Gulf of Mexico. The coastal states that have a shoreline on the Gulf of Mexico are Texas, Louisiana, Missis ...
** Texas Gulf Coast: The Texan counties of Newton, Orange, Jefferson, Jasper, Tyler, Hardin, Liberty, Chambers, Polk, San Jacinto, Montgomery, Harris, Galveston, Waller, Fort Bend, Brazoria, Wharton, Matagorda, Jackson, Victoria, Calhoun, Refugio, Aransas, San Patricio, Nueces, Kleberg, Kenedy, Willacy and Cameron ** Texas Inland: Texan counties not mentioned above. ** Louisiana Gulf Coast: Parishes of Louisiana south of, and including Vernon, Rapides, Avoyelles, Pointe Coupee, West Feliciana, East Feliciana, Saint Helena, Tangipahoa and Washington; along with Pearl River, Stone, George, Hancock, Harrison, and Jackson County of Mississippi; and Alabama's Mobile and Baldwin County. ** North Louisiana-Arkansas: Arkansas and parts of Louisiana, Mississippi and Alabama not mentioned above. ** New Mexico: New Mexico * PADD IV:
Rocky Mountain The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
: Colorado, Montana, Idaho, Wyoming, Utah * PADD V: West Coast: Washington, Oregon, California, Nevada, Arizona, Alaska, Hawaii PADD I can also be subdivided into 3 Subdistricts: * Sub-PAD 1A:
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian province ...
(Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont) * Sub-PAD 1B: Central Atlantic (Delaware, Maryland, New Jersey, New York, Pennsylvania, District of Columbia) * Sub-PAD 1C: Lower Atlantic (Florida, Georgia, North Carolina, South Carolina, Virginia, West Virginia)


Agricultural Research Service

The Agricultural Research Service (ARS) is the research arm of the USDA. The ARS has sectioned their work into five geographic regions: * Midwest Area * Northeast Area * Pacific West Area * Plains Area * Southeast Area


U.S. National Park Service

The
U.S. National Park Service The National Park Service (NPS) is an agency of the United States federal government within the U.S. Department of the Interior that manages all national parks, most national monuments, and other natural, historical, and recreational properties ...
divides the U.S. into the following regions for U.S. National Park purposes: * Northeast region (Connecticut, Delaware, Maine, most of Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, most of Virginia, most of West Virginia) with regional office in
Philadelphia, Pennsylvania Philadelphia, often called Philly, is the List of municipalities in Pennsylvania#Municipalities, largest city in the Commonwealth (U.S. state), Commonwealth of Pennsylvania, the List of United States cities by population, sixth-largest city i ...
. * National Capital region (District of Columbia, some of Maryland, some of Virginia, some of West Virginia) with regional office in
Washington D.C ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, Na ...
. * Southeast region (Alabama, Florida, Georgia, Kentucky, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, Puerto Rico, U.S. Virgin Islands) with regional office in
Atlanta, Georgia Atlanta ( ) is the capital and most populous city of the U.S. state of Georgia. It is the seat of Fulton County, the most populous county in Georgia, but its territory falls in both Fulton and DeKalb counties. With a population of 498,71 ...
. * Midwest region (Illinois, Indiana, Iowa, Kansas, Michigan, Minnesota, Missouri, Nebraska, North Dakota, Ohio, South Dakota, Wisconsin) with regional office in
Omaha, Nebraska Omaha ( ) is the largest city in the U.S. state of Nebraska and the county seat of Douglas County, Nebraska, Douglas County. Omaha is in the Midwestern United States on the Missouri River, about north of the mouth of the Platte River. List of ...
. * Intermountain region (Arizona, Colorado, Montana, New Mexico, Oklahoma, Texas, Utah, Wyoming) with regional office in
Denver, Colorado Denver () is a consolidated city and county, the capital, and most populous city of the U.S. state of Colorado. Its population was 715,522 at the 2020 census, a 19.22% increase since 2010. It is the 19th-most populous city in the United ...
. * Pacific region (California, Hawaii, Idaho, Nevada, Oregon, Washington, American Samoa, Guam, Northern Mariana Islands) with regional office in
San Francisco, California San Francisco (; Spanish for "Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the fourth most populous in California and 17th ...
. * Alaska region (Alaska) with regional office in
Anchorage, Alaska Anchorage () is the largest city in the U.S. state of Alaska by population. With a population of 291,247 in 2020, it contains nearly 40% of the state's population. The Anchorage metropolitan area, which includes Anchorage and the neighboring ...
. The U.S. Minor Outlying Islands are not part of any U.S. National Park Service region.


Department of Health and Human Services (HHS) Regions

The
United States Department of Health and Human Services The United States Department of Health and Human Services (HHS) is a cabinet-level executive branch department of the U.S. federal government created to protect the health of all Americans and providing essential human services. Its motto ...
's Office of Intergovernmental and External Affairs hosts 10 Regional Offices. Each office oversees a given region. # Boston: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont # New York: New Jersey, New York, Puerto Rico, and the Virgin Islands # Philadelphia: Delaware, District of Columbia, Maryland, Pennsylvania, Virginia, and West Virginia # Atlanta: Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, and Tennessee # Chicago: Illinois, Indiana, Michigan, Minnesota, Ohio, and Wisconsin # Dallas: Arkansas, Louisiana, New Mexico, Oklahoma, and Texas # Kansas City: Iowa, Kansas, Missouri, and Nebraska # Denver: Colorado, Montana, North Dakota, South Dakota, Utah, and Wyoming # San Francisco: Arizona, California, Hawaii, Nevada, American Samoa, Commonwealth of the Northern Mariana Islands, Federated States of Micronesia, Guam, Marshall Islands, and Republic of Palau # Seattle: Alaska, Idaho, Oregon, and Washington


Unofficial regions


Multi-state regions

* American Frontier *
Appalachia Appalachia () is a cultural region in the Eastern United States that stretches from the Southern Tier of New York State to northern Alabama and Georgia. While the Appalachian Mountains stretch from Belle Isle in Newfoundland and Labrador, ...
*
Ark-La-Tex The Ark-La-Tex (a portmanteau of Arkansas, Louisiana, and Texas; also stylized as Arklatex or ArkLaTex) is a socio-economic tri-state region where the Southern U.S. states of Arkansas, Louisiana, and Texas join together. The region contains po ...
*
Black Dirt Region The Black Dirt Region is located in southern Orange County, New York and northern Sussex County, New Jersey. It is mostly located in the western section of the Town of Warwick, centered on the hamlet of Pine Island. Some sections spill over i ...
* Border states: ** Civil War border states ** International border states * Calumet Region *
The Carolinas The Carolinas are the U.S. states of North Carolina and South Carolina, considered collectively. They are bordered by Virginia to the north, Tennessee to the west, and Georgia to the southwest. The Atlantic Ocean is to the east. Combining Nort ...
* Cascadia *
Central United States The Central United States is sometimes conceived as between the Eastern and Western as part of a three-region model, roughly coincident with the U.S. Census' definition of the Midwestern United States plus the western and central portions ...
* Coastal states *
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area ...
* Columbia Basin *
Contiguous United States The contiguous United States (officially the conterminous United States) consists of the 48 adjoining U.S. states and the Federal District of the United States of America. The term excludes the only two non-contiguous states, Alaska and Hawai ...
*
The Dakotas The Dakotas is a collective term for the U.S. states of North Dakota and South Dakota. It has been used historically to describe the Dakota Territory, and is still used for the collective heritage, culture, geography, fauna, sociology, econo ...
*
Deep South The Deep South or the Lower South is a cultural and geographic subregion in the Southern United States. The term was first used to describe the states most dependent on plantations and slavery prior to the American Civil War. Following the war ...
*
Delmarva Peninsula The Delmarva Peninsula, or simply Delmarva, is a large peninsula and proposed state on the East Coast of the United States, occupied by the vast majority of the state of Delaware and parts of the Eastern Shore regions of Maryland and Virginia. ...
*
Dixie Dixie, also known as Dixieland or Dixie's Land, is a nickname for all or part of the Southern United States. While there is no official definition of this region (and the included areas shift over the years), or the extent of the area it cove ...
*
Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the last ...
* East Coast *
Eastern United States The Eastern United States, commonly referred to as the American East, Eastern America, or simply the East, is the region of the United States to the east of the Mississippi River. In some cases the term may refer to a smaller area or the East C ...
*
Four Corners The Four Corners is a region of the Southwestern United States consisting of the southwestern corner of Colorado, southeastern corner of Utah, northeastern corner of Arizona, and northwestern corner of New Mexico. The Four Corners area ...
* Great American Desert *
Great Appalachian Valley The Great Appalachian Valley, also called The Great Valley or Great Valley Region, is one of the major landform features of eastern North America. It is a gigantic trough—a chain of valley lowlands—and the central feature of the Appalachian ...
* Great Basin *
Great Lakes Region The Great Lakes region of North America is a binational Canada, Canadian–United States, American region that includes portions of the eight U.S. states of Illinois, Indiana, Michigan, Minnesota, New York (state), New York, Ohio, Pennsylvania ...
* Great Plains *
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coastline along the Southern United States where they meet the Gulf of Mexico. The coastal states that have a shoreline on the Gulf of Mexico are Texas, Louisiana, Missis ...
*
High Plains High Plains refers to one of two distinct land regions: *High Plains (United States), land region of the western Great Plains * High Plains (Australia), land region adjacent to the Great Dividing Range See also * Altiplano (disambiguation) The ...
*
Interior Plains The Interior Plains is a vast physiographic region that spreads across the Laurentian craton of central North America, extending along the east flank of the Rocky Mountains from the Gulf Coast region to the Arctic Beaufort Sea. In Canada, it ...
*
Intermountain States The Intermountain West, or Intermountain Region, is a geographic and geological region of the Western United States. It is located between the front ranges of the Rocky Mountains on the east and the Cascade Range and Sierra Nevada on the wes ...
* Kentuckiana *
Llano Estacado The Llano Estacado (), sometimes translated into English as the Staked Plains, is a region in the Southwestern United States that encompasses parts of eastern New Mexico and northwestern Texas. One of the largest mesas or tablelands on the North A ...
*
Lower 48 The contiguous United States (officially the conterminous United States) consists of the 48 adjoining U.S. states and the Federal District of the United States of America. The term excludes the only two non-contiguous states, Alaska and Ha ...
*
Michiana Michiana is a region in northern Indiana and southwestern Michigan centered on the city of South Bend, Indiana. The Chamber of Commerce of St. Joseph County, Indiana defines Michiana as St. Joseph County and "counties that contribute at leas ...
* Mid-Atlantic states * Mid-South states *
Midwestern United States The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of the United States. I ...
*
Mississippi Delta The Mississippi Delta, also known as the Yazoo–Mississippi Delta, or simply the Delta, is the distinctive northwest section of the U.S. state of Mississippi (and portions of Arkansas and Louisiana) that lies between the Mississippi and Yaz ...
*
Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily i ...
* Mormon Corridor *
New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian province ...
** Northern New England **
Southern New England New England is a region comprising six states in the Northeastern United States: Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, and Vermont. It is bordered by the state of New York to the west and by the Canadian provinces o ...
* North Woods * Northeastern United States *
Northern United States The Northern United States, commonly referred to as the American North, the Northern States, or simply the North, is a geographical or historical region of the United States. History Early history Before the 19th century westward expansion, the " ...
*
Northwestern United States The Northwestern United States, also known as the American Northwest or simply the Northwest, is an informal geographic region of the United States. The region consistently includes the states of Oregon, Washington, Idaho, Montana and Wyoming. ...
*
Ohio Valley The Ohio River is a long river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing southwesterly from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illino ...
*
Ozarks The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant por ...
*
Pacific Northwest The Pacific Northwest (sometimes Cascadia, or simply abbreviated as PNW) is a geographic region in western North America bounded by its coastal waters of the Pacific Ocean to the west and, loosely, by the Rocky Mountains to the east. Though ...
** Inland Northwest *
Pacific States The West Coast of the United States, also known as the Pacific Coast, Pacific states, and the western seaboard, is the coastline along which the Western United States meets the North Pacific Ocean. The term typically refers to the contiguous U.S ...
*
Palouse The Palouse ( ) is a distinct geographic region of the northwestern United States, encompassing parts of north central Idaho, southeastern Washington, and, by some definitions, parts of northeast Oregon. It is a major agricultural area, prima ...
*
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
*
Piney Woods The Piney Woods is a temperate coniferous forest terrestrial ecoregion in the Southern United States covering of East Texas, southern Arkansas, western Louisiana, and southeastern Oklahoma. These coniferous forests are dominated by several s ...
*
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
**
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
* Siouxland *
Southeastern United States The Southeastern United States, also referred to as the American Southeast or simply the Southeast, is a geographical region of the United States. It is located broadly on the eastern portion of the southern United States and the southern po ...
*
Southern United States The Southern United States (sometimes Dixie, also referred to as the Southern States, the American South, the Southland, or simply the South) is a geographic and cultural region of the United States of America. It is between the Atlantic Ocean ...
*
Southwestern United States The Southwestern United States, also known as the American Southwest or simply the Southwest, is a geographic and cultural region of the United States that generally includes Arizona, New Mexico, and adjacent portions of California, Colorado, N ...
* Old Southwest *
Tidewater Tidewater may refer to: * Tidewater (region), a geographic area of southeast Virginia, southern Maryland, and northeast North Carolina. ** Tidewater accent, an accent of American English associated with the Tidewater region of Virginia * Tidewater ...
*
Tornado Alley Tornado Alley is a loosely defined area of the central United States where tornadoes are most frequent. The term was first used in 1952 as the title of a research project to study severe weather in areas of Texas, Louisiana, Oklahoma, Kansas, ...
*
Trans-Mississippi Trans-Mississippi was a common name of the geographic area west of the Mississippi River during the 19th century. The area included Arkansas, Louisiana, Missouri, Texas, Indian Territory (now Oklahoma), and many other territories. The term "Tr ...
* Twin Tiers *
Upland South The Upland South and Upper South are two overlapping cultural and geographic subregions in the inland part of the Southern and lower Midwestern United States. They differ from the Deep South and Atlantic coastal plain by terrain, history, econo ...
*
Upper Midwest The Upper Midwest is a region in the northern portion of the U.S. Census Bureau's Midwestern United States. It is largely a sub-region of the Midwest. Although the exact boundaries are not uniformly agreed-upon, the region is defined as referrin ...
*
Virginias The Virginias (sometimes also known as the two Virginias) is a region in the United States comprising the U.S. states of Virginia and West Virginia. If they were a single state (as they were until the Civil War), the Virginias would have a c ...
*
Waxhaws The Waxhaws is a geographical region extending beyond both sides of the border between what now is North Carolina and South Carolina, United States. It encompasses the areas currently known as Lancaster, Union and Mecklenburg counties. The name ...
* West Coast *
Western United States The Western United States (also called the American West, the Far West, and the West) is the region comprising the westernmost states of the United States. As American settlement in the U.S. expanded westward, the meaning of the term ''the Wes ...


Multi-territory regions

* Mariana Islands (
Guam Guam (; ch, Guåhan ) is an organized, unincorporated territory of the United States in the Micronesia subregion of the western Pacific Ocean. It is the westernmost point and territory of the United States (reckoned from the geographic ce ...
and the
Northern Mariana Islands The Northern Mariana Islands, officially the Commonwealth of the Northern Mariana Islands (CNMI; ch, Sankattan Siha Na Islas Mariånas; cal, Commonwealth Téél Falúw kka Efáng llól Marianas), is an unincorporated territory and commonwe ...
) *
Samoan Islands The Samoan Islands ( sm, Motu o Sāmoa) are an archipelago covering in the central South Pacific, forming part of Polynesia and of the wider region of Oceania. Administratively, the archipelago comprises all of the Independent State of Samoa ...
(
American Samoa American Samoa ( sm, Amerika Sāmoa, ; also ' or ') is an unincorporated territory of the United States located in the South Pacific Ocean, southeast of the island country of Samoa. Its location is centered on . It is east of the Internation ...
, except
Swains Island Swains Island (; Tokelauan: ''Olohega'' ; Samoan: ''Olosega'' ) is a remote coral atoll in the Tokelau Islands in the South Pacific Ocean. The island is the subject of an ongoing territorial dispute between Tokelau and the United States, whi ...
) *
Virgin Islands The Virgin Islands ( es, Islas Vírgenes) are an archipelago in the Caribbean Sea. They are geology, geologically and biogeography, biogeographically the easternmost part of the Greater Antilles, the northern islands belonging to the Puerto Ric ...
(the Spanish Virgin Islands and the
U.S. Virgin Islands The United States Virgin Islands,. Also called the ''American Virgin Islands'' and the ''U.S. Virgin Islands''. officially the Virgin Islands of the United States, are a group of Caribbean islands and an unincorporated and organized territory ...
)


The Belts

*
Bible Belt The Bible Belt is a region of the Southern United States in which socially conservative Protestant Christianity plays a strong role in society and politics, and church attendance across the denominations is generally higher than the nation's av ...
*
Black Belt Black Belt may refer to: Martial arts * Black belt (martial arts), an indication of attainment of expertise in martial arts * ''Black Belt'' (magazine), a magazine covering martial arts news, technique, and notable individuals Places * Black B ...
* Coal Belt *
Corn Belt The Corn Belt is a region of the Midwestern United States that, since the 1850s, has dominated corn production in the United States. In the United States, ''corn'' is the common word for maize. More generally, the concept of the Corn Belt conn ...
* Cotton Belt * Fruit Belt * Pine Belt * Rice Belt *
Rust Belt The Rust Belt is a region of the United States that experienced industrial decline starting in the 1950s. The U.S. manufacturing sector as a percentage of the U.S. GDP peaked in 1953 and has been in decline since, impacting certain regions a ...
* Snowbelt *
Sun Belt The Sun Belt is a region of the United States generally considered to stretch across the Southeast and Southwest. Another rough definition of the region is the area south of the 36th parallel. Several climates can be found in the region — ...


Interstate megalopolises

*
Arizona Sun Corridor The Arizona Sun Corridor, shortened Sun Corridor, is a megaregion, or megapolitan area, in the southern area of the U.S. state of Arizona. The Sun Corridor is comparable to Indiana in both size and population. It is one of the fastest growing ...
*
California California is a state in the Western United States, located along the Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the most populous U.S. state and the 3rd largest by area. It is also the ...
* Cascadia *
Great Lakes The Great Lakes, also called the Great Lakes of North America, are a series of large interconnected freshwater lakes in the mid-east region of North America that connect to the Atlantic Ocean via the Saint Lawrence River. There are five la ...
*
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coastline along the Southern United States where they meet the Gulf of Mexico. The coastal states that have a shoreline on the Gulf of Mexico are Texas, Louisiana, Missis ...
* Northeast * Piedmont Atlantic *
Southern Rocky Mountain Front The Southern Rocky Mountain Front is a megaregion of the United States, otherwise known as a megalopolis, with population centers consisting mainly of the Front Range Urban Corridor and the Albuquerque–Santa Fe–Las Vegas combined statistica ...


Interstate metropolitan areas

*
Central Savannah River Area The Central Savannah River Area (CSRA) is a trading and marketing region in the U.S. states of Georgia and South Carolina, spanning fourteen counties in Georgia and seven in South Carolina. The term was coined in 1950 by C.C. McCollum, the winn ...
(part of Georgia and South Carolina) * Baltimore–Washington metropolitan area (District of Columbia and parts of Maryland, Virginia, West Virginia, and Pennsylvania) **
Washington metropolitan area The Washington metropolitan area, also commonly referred to as the National Capital Region, is the metropolitan area centered on Washington, D.C. The metropolitan area includes all of Washington, D.C. and parts of the states of Maryland, Virg ...
(District of Columbia and parts of Maryland, Virginia, and West Virginia) *
Greater Boston Greater Boston is the metropolitan region of New England encompassing the municipality of Boston (the capital of the U.S. state of Massachusetts and the most populous city in New England) and its surrounding areas. The region forms the northe ...
(parts of Massachusetts, Rhode Island, and New Hampshire) *
Charlotte metropolitan area The Charlotte metropolitan area, sometimes referred to as Metrolina, is a metropolitan area of the U.S. states of North and South Carolina, within and surrounding the city of Charlotte. The metropolitan area also includes the cities of Gastoni ...
(parts of North Carolina and South Carolina) *
Chattanooga Metropolitan Area The Chattanooga, TN-GA Metropolitan Statistical Area, as defined by the United States Office of Management and Budget, is an area consisting of six counties – three in southeast Tennessee ( Hamilton, Marion, and Sequatchie) and three in no ...
*
Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hi ...
(parts of Illinois, Indiana, and Wisconsin) *
Cincinnati metropolitan area The Cincinnati metropolitan area and also known as the Cincinnati Tri-State area, or Greater Cincinnati) is a metropolitan area centered on Cincinnati and including surrounding counties in the U.S. states of Ohio, Kentucky, and Indiana. The area i ...
(parts of Ohio, Indiana, and Kentucky) * Columbus-Auburn-Opelika (GA-AL) Combined Statistical Area (parts of Georgia and Alabama) * Delaware Valley (Philadelphia metropolitan area) (parts of Pennsylvania, New Jersey, Delaware, and Maryland) * Evansville, IN–KY Metropolitan Statistical Area (parts of Indiana and Kentucky) * Fargo–Moorhead (parts of North Dakota and Minnesota) *
Fort Smith metropolitan area The Fort Smith Metropolitan Statistical Area, as defined by the United States Census Bureau, is a five-county area including three Arkansas counties and two Oklahoma counties, and anchored by the city of Fort Smith, Arkansas. The total MSA populat ...
(parts of Arkansas and Oklahoma) * Front Range Urban Corridor (parts of Colorado and Wyoming) * Greater Grand Forks (part of Minnesota and North Dakota) * Hartford-Springfield (parts of Connecticut and Massachusetts) *
Kansas City metropolitan area The Kansas City metropolitan area is a bi-state metropolitan area anchored by Kansas City, Missouri. Its 14 counties straddle the border between the U.S. states of Missouri (9 counties) and Kansas (5 counties). With and a population of more ...
(parts of Missouri and Kansas) *
Louisville metropolitan area The Louisville metropolitan area is the Table of United States Metropolitan Statistical Areas, 43rd largest United States metropolitan area, metropolitan statistical area (MSA) in the United States. It had a population of 1,395,855 in 2020 accor ...
(Kentuckiana) (parts of Kentucky and Indiana) * Memphis metropolitan area (parts of Tennessee, Arkansas, and Mississippi) *
Michiana Michiana is a region in northern Indiana and southwestern Michigan centered on the city of South Bend, Indiana. The Chamber of Commerce of St. Joseph County, Indiana defines Michiana as St. Joseph County and "counties that contribute at leas ...
(parts of Michigan and Indiana) *
Minneapolis–Saint Paul Minneapolis–Saint Paul is a metropolitan area in the Upper Midwestern United States centered around the confluence of the Mississippi, Minnesota and St. Croix rivers in the U.S. state of Minnesota. It is commonly known as the Twin Citi ...
(the Twin Cities) (parts of Minnesota and Wisconsin) *
New York metropolitan area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban landmass, at , and one of the most populous urban agglomerations in the world. The vast metropolitan area ...
(parts of New York, New Jersey, Connecticut, and Pennsylvania) *
Omaha–Council Bluffs metropolitan area The Omaha metropolitan area, officially known as the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area (MSA), is an urbanized region in Nebraska and Iowa in the American Midwest, centered on the city of Omaha, Nebraska. The region consists ...
(parts of Nebraska and Iowa) *
Portland metropolitan area The Portland metropolitan area is a metro area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget (OMB) identifies it as the Portland–Vancouver–Hillsboro ...
(parts of Oregon and Washington) *
Quad Cities The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are th ...
(parts of Iowa and Illinois) *
Sacramento metropolitan area The Greater Sacramento area refers to a metropolitan region in Northern California comprising either the U.S. Census Bureau defined Sacramento–Roseville–Arden-Arcade metropolitan statistical area or the larger Sacramento–Roseville combine ...
(parts of California and Nevada) * Greater St. Louis (parts of Missouri and Illinois) * Texarkana metropolitan area (parts of Texas and Arkansas) *
Tri-Cities Tri-Cities most often refers to: *Tri-Cities, Tennessee, United States *Tri-Cities, Washington, United States Tri-City, Tricity or Tri-Cities may also refer to: Populated places Americas Canada *Tri-Cities (British Columbia), consisting of Co ...
(parts of Tennessee and Virginia) * Twin Ports (
Duluth, Minnesota , settlement_type = City , nicknames = Twin Ports (with Superior), Zenith City , motto = , image_skyline = , image_caption = Clockwise from top: urban Duluth skyline; Minnesota ...
and
Superior, Wisconsin , native_name_lang = oj , nickname = , total_type = , motto = , image_skyline = Tower Avenue.jpg , imagesize = , image_caption = Downtown Superior , ima ...
) * Hampton Roads region (parts of Virginia and North Carolina) *
Youngstown–Warren–Boardman metropolitan statistical area The Youngstown–Warren–Boardman, OH–PA Metropolitan Statistical Area, typically known as the Mahoning Valley (and historically the Steel Valley), is a metropolitan area in Northeast Ohio and Western Pennsylvania the United States, with th ...
(parts of Ohio and Pennsylvania)


Intrastate and intraterritory regions


Alabama

*
Alabama Gulf Coast (We dare defend our rights) , anthem = "Alabama (state song), Alabama" , image_map = Alabama in United States.svg , seat = Montgomery, Alabama, Montgomery , LargestCity = Huntsville, Alabama, Huntsville , LargestCounty = Baldwin County, Al ...
* Greater Birmingham *
Black Belt Black Belt may refer to: Martial arts * Black belt (martial arts), an indication of attainment of expertise in martial arts * ''Black Belt'' (magazine), a magazine covering martial arts news, technique, and notable individuals Places * Black B ...
* Central Alabama * Lower Alabama *
Mobile Bay Mobile Bay ( ) is a shallow inlet of the Gulf of Mexico, lying within the state of Alabama in the United States. Its mouth is formed by the Fort Morgan Peninsula on the eastern side and Dauphin Island, a barrier island on the western side. Th ...
* North Alabama * Northeast Alabama * Northwest Alabama * South Alabama


Alaska

* Alaska Interior *
Alaska North Slope The Alaska North Slope ( Iñupiaq: ''Siḷaliñiq'') is the region of the U.S. state of Alaska located on the northern slope of the Brooks Range along the coast of two marginal seas of the Arctic Ocean, the Chukchi Sea being on the western si ...
* Alaska Panhandle *
Aleutian Islands The Aleutian Islands ( ; ; ale, Unangam Tanangin, "land of the Aleuts"; possibly from the Chukchi ''aliat'', or "island")—also called the Aleut Islands, Aleutic Islands, or, before 1867, the Catherine Archipelago—are a chain of 14 main, ...
* Arctic Alaska *
The Bush "The bush" is a term mostly used in the English vernacular of Australia and New Zealand where it is largely synonymous with ''backwoods'' or '' hinterland'', referring to a natural undeveloped area. The fauna and flora contained within this ...
*
Kenai Peninsula The Kenai Peninsula ( Dena'ina: ''Yaghenen'') is a large peninsula jutting from the coast of Southcentral Alaska. The name Kenai (, ) is derived from the word "Kenaitze" or "Kenaitze Indian Tribe", the name of the Native Athabascan Alaskan trib ...
*
Matanuska-Susitna Valley Matanuska-Susitna Valley () (known locally as the Mat-Su or The Valley) is an area in Southcentral Alaska south of the Alaska Range about north of Anchorage, Alaska. It is known for the world record sized cabbages and other vegetables displaye ...
*
Seward Peninsula The Seward Peninsula is a large peninsula on the western coast of the U.S. state of Alaska whose westernmost point is Cape Prince of Wales. The peninsula projects about into the Bering Sea between Norton Sound, the Bering Strait, the Chukchi ...
*
Southcentral Alaska Southcentral Alaska (russian: Юго-Центральная Аляска) is the portion of the U.S. state of Alaska consisting of the shorelines and uplands of the central Gulf of Alaska. Most of the population of the state lives in this regio ...
*
Southwest Alaska Southwest Alaska is a region of the U.S. state of Alaska. The area is not exactly defined by any governmental administrative region(s); nor does it always have a clear geographic boundary. Geography Southwest Alaska includes a huge, complex, and ...
* Tanana Valley * Yukon-Kuskokwim Delta


American Samoa

* Manu'a Islands **
Ofu-Olosega Ofu and Olosega are parts of a volcanic doublet in the Manuʻa Islands, which is a part of American Samoa in the Samoan Islands. These twin islands, formed from shield volcanoes, have a combined length of 6 km and a combined area of . Togethe ...
** Ta'ū *
Rose Atoll Rose Atoll, sometimes called Rose Island or Motu O Manu ("Bird Island") by people of the nearby Manu'a Islands, is an oceanic atoll within the U.S. territory of American Samoa. An uninhabited wildlife refuge, it is the southernmost point bel ...
*
Swains Island Swains Island (; Tokelauan: ''Olohega'' ; Samoan: ''Olosega'' ) is a remote coral atoll in the Tokelau Islands in the South Pacific Ocean. The island is the subject of an ongoing territorial dispute between Tokelau and the United States, whi ...
*
Tutuila Tutuila is the main island of American Samoa (and its largest), and is part of the archipelago of Samoan Islands. It is the third largest island in the Samoan Islands chain of the Central Pacific. It is located roughly northeast of Brisbane, A ...
and Aunu'u


Arizona

*
Arizona Strip The Arizona Strip is the part of Arizona lying north of the Colorado River. Despite being larger in area than several U.S. states, the entire region has a population of fewer than 10,000 people. Consisting of northeastern Mohave County and ...
*
Grand Canyon The Grand Canyon (, yuf-x-yav, Wi:kaʼi:la, , Southern Paiute language: Paxa’uipi, ) is a steep-sided canyon carved by the Colorado River in Arizona, United States. The Grand Canyon is long, up to wide and attains a depth of over a ...
*
North Central Arizona North Central Arizona is a geographical region of Arizona. It is in the Transition Zone between the Basin and Range Province and the Colorado Plateau, and has some of the most rugged and scenic landscapes in Arizona. As part of the southern Co ...
* Northeast Arizona * Northern Arizona *
Phoenix metropolitan area The Phoenix Metropolitan Area – also the Valley of the Sun, the Salt River Valley, or Metro Phoenix (known by most locals simply as “the Valley”) – is the largest metropolitan area in the Southwestern United States, centered on the city ...
*
Southern Arizona Southern Arizona is a region of the United States comprising the southernmost portion of the State of Arizona. It sometimes goes by the name Gadsden or Baja Arizona, which means "Lower Arizona" in Spanish. Geography Although Southern Arizona' ...


Arkansas

*
Arkansas Delta The Arkansas Delta is one of the six natural regions of the state of Arkansas. Willard B. Gatewood Jr., author of ''The Arkansas Delta: Land of Paradox'', says that rich cotton lands of the Arkansas Delta make that area "The Deepest of the Deep ...
* Arkansas River Valley * Arkansas Timberlands *
Central Arkansas Central Arkansas, also known as the Little Rock metro, designated by the United States Office of Management and Budget as the Little Rock-North Little Rock-Conway Metropolitan Statistical Area, is the most populous metro area in the U.S. state o ...
*
Crowley's Ridge Crowley's Ridge (also Crowleys Ridge) is a geological formation that rises 250 to above the alluvial plain of the Mississippi embayment in a line from southeastern Missouri to the Mississippi River near Helena, Arkansas. It is the most prom ...
*
Northwest Arkansas Northwest Arkansas (NWA) is a metropolitan area and region in Arkansas within the Ozark Mountains. It includes four of the ten largest cities in the state: Fayetteville, Arkansas, Fayetteville, Springdale, Arkansas, Springdale, Rogers, Arkansas, ...
*
South Arkansas South Arkansas lies within the southernmost portions of Arkansas Gulf Coastal Plain and Delta regions. It encompasses the lower 15 counties of the state. History In the 1920s, nationwide attention focused on South Arkansas when the Smackover ...


California


Colorado

*
Central Colorado Central Colorado is a region of the U.S. state of Colorado. Central Colorado is home to most of the population of the state and its geography is dominated by the Rocky Mountains, their foothills, mesas, and canyons, the rivers that run through ...
(part of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
) *
Colorado Eastern Plains The Eastern Plains of Colorado refers to a region of the U.S. state of Colorado east of the Rocky Mountains and east of the population centers of the Front Range. Geography The Eastern Plains are part of the High Plains, which are the wester ...
(part of
High Plains High Plains refers to one of two distinct land regions: *High Plains (United States), land region of the western Great Plains * High Plains (Australia), land region adjacent to the Great Dividing Range See also * Altiplano (disambiguation) The ...
) * Colorado Mineral Belt (part of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
) * Colorado Piedmont (parts of the Front Range Urban Corridor and Colorado High Plains) *
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area ...
(multi-state region) * Colorado Western Slope (parts of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
and
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area ...
) *
Denver Metropolitan Area Denver is the central city of a conurbation region in the U.S. state of Colorado. The conurbation includes one continuous region consisting of the six central counties of Adams, Arapahoe, Broomfield, Denver, Douglas, and Jefferson. The Denver ...
(part of Front Range Urban Corridor) *
Four Corners Region The Four Corners is a region of the Southwestern United States consisting of the southwestern corner of Colorado, southeastern corner of Utah, northeastern corner of Arizona, and northwestern corner of New Mexico. The Four Corners a ...
(multi-state region of
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area ...
) * Front Range Urban Corridor (multi-state region) *
High Plains High Plains refers to one of two distinct land regions: *High Plains (United States), land region of the western Great Plains * High Plains (Australia), land region adjacent to the Great Dividing Range See also * Altiplano (disambiguation) The ...
(multi-state region of Great Plains) * North Central Colorado Urban Area (part of Front Range Urban Corridor) *
Northwestern Colorado Northwestern Colorado is a region in the northwest portion of Colorado. It borders Western Colorado, Northern Colorado, the north portion of Central Colorado, Southwestern Colorado, Utah, and the northwest state of Wyoming. This region is among ...
(part of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
) *
San Luis Valley The San Luis Valley is a region in south-central Colorado with a small portion overlapping into New Mexico. The valley is approximately long and wide, extending from the Continental Divide on the northwest rim into New Mexico on the south. It co ...
* South-Central Colorado *
South Central Colorado Urban Area 240px, An enlargeable map of the four-county South Central Colorado Urban Area The South Central Colorado Urban Area comprises the Colorado Springs Metropolitan Statistical Area, the Pueblo Metropolitan Statistical Area, and the Cañon City Micr ...
(part of Front Range Urban Corridor) *
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
(multi-state region of
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
) * Southwestern Colorado (parts of
Southern Rocky Mountains The Southern Rocky Mountains are a major subregion of the Rocky Mountains of North America located in the southeastern portion of the U.S. state of Wyoming, the central and western portions of Colorado, the northern portion of New Mexico, and ex ...
and
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area ...
)


Connecticut

Connecticut has no official regions. After abolishing county governments, all local governing is done by towns and cities, leaving counties as purely geographical and statistical entities. Some unofficial regions of Connecticut include: * Central Naugatuck Valley *
Coastal Connecticut Coastal Connecticut, often called the Connecticut Shore or the Connecticut Shoreline, comprises all of Connecticut's southern border along Long Island Sound, from Greenwich in the west to Stonington in the east, as well as the tidal portions of the ...
* Connecticut panhandle *
Greater Bridgeport Greater Bridgeport is the metropolitan area centered on the city of Bridgeport in the U.S. state of Connecticut. The area is located in Southwestern Connecticut. In its most conservative form the area consists of the city of Bridgeport and five ...
* Greater New Haven *
Greater Hartford Greater Hartford is a region located in the U.S. state of Connecticut, centered on the state's capital of Hartford. It represents the only combined statistical area in Connecticut defined by a city within the state, being bordered by the Greater B ...
*
Housatonic Valley The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
(shared with Massachusetts) * Litchfield Hills * Lower Connecticut River Valley * Naugatuck River Valley *
New York Metropolitan Area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban landmass, at , and one of the most populous urban agglomerations in the world. The vast metropolitan area ...
/ Gold Coast * Southeastern Connecticut * Western Connecticut


Delaware

"Upstate" or "Up North" * Delaware Valley also known as "Above the Canal" (referring to the
Chesapeake and Delaware Canal The Chesapeake & Delaware Canal (C&D Canal) is a -long, -wide and -deep ship canal that connects the Delaware River with the Chesapeake Bay in the states of Delaware and Maryland in the United States. In the mid‑17th century, mapmaker Augus ...
) "Slower Lower" * Cape Region * Central Kent *
Delaware coast The Delaware Beaches are located along the Atlantic Ocean in the eastern part of Sussex County, Delaware, which is in the southern part of the state. In addition to beaches along the ocean, the area offers many amenities, including restaurants, ...


District of Columbia


Florida

Directional regions *
Central Florida Central Florida is a region of the U.S. state of Florida. Different sources give different definitions for the region, but as its name implies it is usually said to comprise the central part of the state, including the Tampa Bay area and the ...
*
North Florida North Florida is a Regions of the United States#Florida, region of the U.S. state of Florida comprising the northernmost part of the state. Along with South Florida and Central Florida, it is one of Florida's three most common "directional" regi ...
* Northwest Florida * North Central Florida *
Northeast Florida Florida's First Coast, or simply the First Coast, is a region of the U.S. state of Florida, located on the Atlantic coast of North Florida. The First Coast refers to the same general area as the directional region of Northeast Florida. It roughly ...
*
South Florida South Florida is the southernmost region of the U.S. state of Florida. It is one of Florida's three most commonly referred to directional regions; the other two are Central Florida and North Florida. South Florida is the southernmost part of ...
*
Southwest Florida Southwest Florida is the region along the southwest Gulf coast of the U.S. state of Florida. The area is known for its beaches, subtropical landscape, and winter resort economy. Definitions of the region vary, though its boundaries are generally ...
*
West Florida West Florida ( es, Florida Occidental) was a region on the northern coast of the Gulf of Mexico that underwent several boundary and sovereignty changes during its history. As its name suggests, it was formed out of the western part of former S ...
*
East Florida East Florida ( es, Florida Oriental) was a colony of Great Britain from 1763 to 1783 and a province of Spanish Florida from 1783 to 1821. Great Britain gained control of the long-established Spanish colony of ''La Florida'' in 1763 as part of ...
Local vernacular regions * Big Bend *
Emerald Coast The Emerald Coast is an unofficial name for the coastal area in the US state of Florida on the Gulf of Mexico that stretches about through five counties, Escambia, Santa Rosa, Okaloosa, Walton, and Bay, which include Pensacola Beach, Nava ...
* First Coast * Florida Heartland *
Florida Keys The Florida Keys are a coral island, coral cay archipelago located off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about south of ...
*
Florida Panhandle The Florida Panhandle (also West Florida and Northwest Florida) is the northwestern part of the U.S. state of Florida; it is a salient roughly long and wide, lying between Alabama on the north and the west, Georgia on the north, and the G ...
* Forgotten Coast * Glades * Gold Coast *
Halifax area The Halifax area or simply Daytona is a region of the U.S. state of Florida, comprising the area around Daytona Beach. It is roughly coextensive with the Daytona Beach metropolitan area and Volusia County. There have been a number of attempts t ...
(also Surf Coast and Fun Coast) * Red Hills * Nature Coast * Space Coast * Suncoast *
Tampa Bay Area The Tampa Bay area is a major populated area surrounding Tampa Bay on the west coast of Florida in the United States. It includes the main cities of Tampa, St. Petersburg, and Clearwater. It is the 18th largest metropolitan area in the United ...
*
Treasure Coast The Treasure Coast is a region of the U.S. state of Florida. It is located on Florida's East Coast, bordering the Atlantic Ocean and comprising Indian River, Martin, and St. Lucie counties. The region, whose name refers to the Spanish Treasur ...


Georgia

* Atlanta metropolitan area *
Central Georgia Central Georgia is the area containing the metropolitan region surrounding the city of Macon, in Bibb County in the U.S. state of Georgia. It abuts the Atlanta metropolitan area, just to the north. Similar and coextensive names for this region ...
*
Central Savannah River Area The Central Savannah River Area (CSRA) is a trading and marketing region in the U.S. states of Georgia and South Carolina, spanning fourteen counties in Georgia and seven in South Carolina. The term was coined in 1950 by C.C. McCollum, the winn ...
* Colonial Coast * Golden Isles of Georgia * North Georgia (U.S. state), North Georgia * North Georgia mountains (Northeast Georgia) * Southern Rivers * Southeast Georgia * Wiregrass Region


Physiographic regions

* Appalachian Plateau * Blue Ridge Mountains * Coastal Plain *
Piedmont it, Piemontese , population_note = , population_blank1_title = , population_blank1 = , demographics_type1 = , demographics1_footnotes = , demographics1_title1 = , demographics1_info1 = , demographics1_title2 ...
* Ridge-and-Valley Appalachians


Guam

* Cocos Island (Guam), Cocos Island * Guam, Guam (main island) ** Ritidian Point ** Tumon


Hawaiʻi

* Hawaii (island), Hawaiʻi Island (Big Island) ** Hamakua Coast ** Kaʻū Desert ** Kohala Coast ** Kona District, Hawaii, Kona Coast ** Mauna Kea ** Puna, Hawaii, Puna District ** Waiākea-Uka * Kahoolawe, Kahoʻolawe * Kauai, Kauaʻi ** Nā Pali Coast State Park, Nā Pali Coast * Kaʻula * Lanai, Lānai * Maui ** Haleakala, Haleakalā ** Molokini ** West Maui Mountains *** Iao Valley * Molokai, Molokaʻi ** Kalaupapa Peninsula * Niihau, Niʻihau ** Lehua * Northwestern Hawaiian Islands ** Nihoa, Nihoa (Moku Manu) ** Necker Island (Hawaii), Necker Island (Mokumanamana) ** French Frigate Shoals, French Frigate Shoals (Kānemiloha) ** Gardner Pinnacles, Gardner Pinnacles (Pūhāhonu) ** Maro Reef, Maro Reef (Nalukākala) ** Laysan, Laysan (Kauō) ** Lisianski Island, Lisianski (Papaāpoho) ** Pearl and Hermes Atoll, Pearl and Hermes (Holoikauaua) ** Kure Atoll, Kure Atoll (Mokupāpapa) * Oahu, Oʻahu ** Kaena Point, Kaʻena Point ** Makapuʻu ** North Shore (Oahu), North Shore ** Waikiki, Waikīkī


Idaho

* Central Idaho * Eastern Idaho * Idaho Panhandle * Magic Valley * North Central Idaho * Palouse Hills * Southern Idaho * Southwestern Idaho * Treasure Valley


Illinois

* Central Illinois * Champaign–Urbana metropolitan area *
Chicago metropolitan area The Chicago metropolitan area, also colloquially referred to as Chicagoland, is a metropolitan area in the Midwestern United States. Encompassing 10,286 sq mi (28,120 km2), the metropolitan area includes the city of Chicago, its suburbs and hi ...
** Community areas in Chicago ** Fox Valley (Illinois), Fox Valley ** Collar counties, The Collar Counties ** North Shore (Chicago), North Shore *
Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the last ...
* Forgottonia * Metro-East ** American Bottom ** River Bend (Illinois), River Bend * Metro Lakeland * Military Tract of 1812 * Northern Illinois * Northwestern Illinois * Peoria, Illinois metropolitan area *
Quad Cities The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are th ...
* Rockford, Illinois metropolitan area, Rock River Valley * Shawnee Hills * Southern Illinois (sometimes, ''Little Egypt'') * Streatorland * Illinois-Indiana-Kentucky tri-state area, Tri-State Area * Wabash Valley


Indiana

* East Central Indiana * Indianapolis metropolitan area *
Michiana Michiana is a region in northern Indiana and southwestern Michigan centered on the city of South Bend, Indiana. The Chamber of Commerce of St. Joseph County, Indiana defines Michiana as St. Joseph County and "counties that contribute at leas ...
* Northern Indiana * Northwest Indiana * Southern Indiana * Southwestern Indiana * Wabash Valley


Iowa

* Coteau des Prairies * Des Moines metropolitan area * Dissected Till Plains *
Driftless Area The Driftless Area, a topographical and cultural region in the American Midwest, comprises southwestern Wisconsin, southeastern Minnesota, northeastern Iowa, and the extreme northwestern corner of Illinois. Never covered by ice during the last ...
* Great River Road * Honey War, Honey Lands * Iowa Great Lakes * Loess Hills *
Omaha–Council Bluffs metropolitan area The Omaha metropolitan area, officially known as the Omaha-Council Bluffs, NE-IA Metropolitan Statistical Area (MSA), is an urbanized region in Nebraska and Iowa in the American Midwest, centered on the city of Omaha, Nebraska. The region consists ...
*
Quad Cities The Quad Cities is a region of cities (originally four, see History) in the U.S. states of Iowa and Illinois: Davenport and Bettendorf in southeastern Iowa, and Rock Island, Moline and East Moline in northwestern Illinois. These cities are th ...
* Siouxland


Kansas

* East-Central Kansas * Flint Hills *
High Plains High Plains refers to one of two distinct land regions: *High Plains (United States), land region of the western Great Plains * High Plains (Australia), land region adjacent to the Great Dividing Range See also * Altiplano (disambiguation) The ...
* Kansas City Metropolitan Area * North Central Kansas * Osage Plains *
Ozarks The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant por ...
* Red Hills, Kansas, Red Hills * Santa Fe Trail * Smoky Hills * Southeast Kansas


Kentucky

* Bluegrass region, The Bluegrass * Cumberland Plateau or Eastern Coal Field * Jackson Purchase * Pennyroyal Plateau * Western Coal Field


Louisiana

* Acadiana :* Cajun Heartland#Geography, Cajun Heartland :* River Parishes * Central Louisiana (Cen-La) * Florida Parishes * "French Louisiana" (Acadiana + Greater New Orleans) * New Orleans metropolitan area, Greater New Orleans * North Louisiana * Southwest Louisiana


Maine

* Acadia * Down East * High Peaks (Maine), High Peaks / Maine Highlands * Hundred-Mile Wilderness * Kennebec Valley * Maine Highlands * Maine Lake Country * Maine North Woods * Mid Coast * Penobscot Bay * Southern Maine Coast * Western Maine Mountains


Maryland

* Baltimore–Washington Metropolitan Area * Capital region * Chesapeake Bay * Eastern Shore of Maryland * Patapsco Valley * Southern Maryland * Western Maryland Regions shared with other states: * Allegheny Mountains * Atlantic coastal plain * Blue Ridge Mountains * Cumberland Valley * Delaware Valley *
Delmarva Peninsula The Delmarva Peninsula, or simply Delmarva, is a large peninsula and proposed state on the East Coast of the United States, occupied by the vast majority of the state of Delaware and parts of the Eastern Shore regions of Maryland and Virginia. ...
consists of Eastern Shore of Maryland, Maryland's and Virginia's Eastern Shore AVA, Virginia's Eastern Shore and all of
Delaware Delaware ( ) is a state in the Mid-Atlantic region of the United States, bordering Maryland to its south and west; Pennsylvania to its north; and New Jersey and the Atlantic Ocean to its east. The state takes its name from the adjacen ...
* Piedmont (United States) * Ridge-and-Valley Appalachians


Massachusetts

* Western Massachusetts ** The Berkshires (shown in map) **
Housatonic Valley The Housatonic River ( ) is a river, approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map , accessed April 1, 2011 in western Massachusetts and western Connecticut in the United ...
** Pioneer Valley ** Quabbin Valley, Quabbin-Swift River Valley * Central Massachusetts ** MetroWest ** Montachusett-North County ** South County (Massachusetts), South County ** Blackstone Valley, Blackstone River Valley * Northeastern Massachusetts ** North Shore (Massachusetts), North Shore *** Merrimack Valley *** Cape Ann **
Greater Boston Greater Boston is the metropolitan region of New England encompassing the municipality of Boston (the capital of the U.S. state of Massachusetts and the most populous city in New England) and its surrounding areas. The region forms the northe ...
* Southeastern Massachusetts ** Cape Cod and Islands *** Cape Cod *** Martha's Vineyard *** Nantucket ** South Coast (Massachusetts), South Coast ** South Shore (Massachusetts), South Shore


Michigan


Lower Peninsula

* Northern Michigan ** Traverse City micropolitan area, Traverse Bay Area ** Straits of Mackinac, Straits Area * Central Michigan, Central/Mid-Michigan ** The Thumb ** St. Clair County, Michigan, Bluewater Area ** Tri-Cities (Michigan), Tri-Cities ** Lansing–East Lansing metropolitan area, Capital Region * West Michigan ** Southwest Michigan **
Michiana Michiana is a region in northern Indiana and southwestern Michigan centered on the city of South Bend, Indiana. The Chamber of Commerce of St. Joseph County, Indiana defines Michiana as St. Joseph County and "counties that contribute at leas ...
** Grand Rapids metropolitan area, Grand Rapids area * Southeast Michigan ** Metro Detroit


Upper Peninsula

* Copper Country ** Copper Island * Upper Peninsula of Michigan, Central Upper Peninsula ** U.S. Route 41 in Michigan, US 41 Corridor * Eastern Upper Peninsula ** Mackinac County, Michigan, Straits Area ** Chippewa County, Michigan, Soo Area


Minnesota

* Arrowhead Region * Boundary Waters * Buffalo Ridge * Central Minnesota * Driftless Area, Coulee Region * Iron Range * Minnesota River, Minnesota River Valley * North Shore (Lake Superior), North Shore * Northwest Angle * Pipestone Region * Red River Valley * Southeast Minnesota * Minneapolis–Saint Paul, Twin Cities Metro


Mississippi

* Mississippi Alluvial Plain *
Mississippi Delta The Mississippi Delta, also known as the Yazoo–Mississippi Delta, or simply the Delta, is the distinctive northwest section of the U.S. state of Mississippi (and portions of Arkansas and Louisiana) that lies between the Mississippi and Yaz ...
* Mississippi Gulf Coast * Natchez Trace


Missouri

* Boonslick * Missouri Bootheel, Bootheel * Dissected Till Plains * Kansas City Metropolitan Area * Lead Belt * Little Dixie (Missouri), Little Dixie *
Ozarks The Ozarks, also known as the Ozark Mountains, Ozark Highlands or Ozark Plateau, is a physiographic region in the U.S. states of Missouri, Arkansas, Oklahoma and the extreme southeastern corner of Kansas. The Ozarks cover a significant por ...
* Platte Purchase * Greater St. Louis, St. Louis Metropolitan Area


Montana

* Big Horn Mountains * Eastern Montana * The Flathead * Glacier Country, Montana, Glacier Country * Glacier National Park (U.S.), Glacier National Park * Regional designations of Montana * South Central Montana * Southwestern Montana * Two Medicine * Western Montana * Yellowstone National Park


Nebraska

* Nebraska Panhandle * Northwest Nebraska * Pine Ridge (region), Pine Ridge * Rainwater Basin * Sand Hills (Nebraska), Sand Hills * Southeast Nebraska * South Central Nebraska * Wildcat Hills


Nevada

* Black Rock Desert * Lake Tahoe * Las Vegas Valley *
Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily i ...
* Pahranagat Valley * Sierra Nevada (U.S.), Sierra Nevada


New Hampshire

* Connecticut River Valley * Dartmouth-Lake Sunapee Region (overlaps with Connecticut River Valley) * Great North Woods Region (New Hampshire), Great North Woods Region * Lakes Region (New Hampshire), Lakes Region * Merrimack Valley#Merrimack Valley Region in New Hampshire, Merrimack Valley ** Golden Triangle (New Hampshire), Golden Triangle * Monadnock Region (overlaps with Connecticut River Valley) * Seacoast Region (New Hampshire), Seacoast Region * White Mountains (New Hampshire), White Mountains


New Jersey

* North Jersey ** Skylands Region, Skylands *** Amwell Valley ***
Black Dirt Region The Black Dirt Region is located in southern Orange County, New York and northern Sussex County, New Jersey. It is mostly located in the western section of the Town of Warwick, centered on the hamlet of Pine Island. Some sections spill over i ...
(shared with New York) *** Great Appalachian Valley, Great Valley **** Sussex County Snow Belt *** Hunterdon Plateau *** Ridge-and-Valley Appalachians *** New York-New Jersey Highlands, Highlands *** Somerset Hills *** The Sourlands ** Gateway Region, Gateway *** Chemical Coast/Soundshore *** Hudson Waterfront **** North Hudson, New Jersey, North Hudson *** New Jersey Meadowlands, Meadowlands *** Pascack Valley *** Raritan Bayshore *** West Hudson, New Jersey, West Hudson * Central Jersey ** Raritan Bayshore, Bayshore ** Jersey Shore ** Shore Region * South Jersey ** Shore Region *** Northern Headlands **** Spring Lake, New Jersey, Irish Riviera *** New Jersey Pine Barrens ** Delaware Valley *** New Jersey Pine Barrens *** The Sourlands ** Southern Shore Region, Southern Shore *** Cape May *** The Glades (New Jersey), The Glades *** Tri Cities (Bridgeton, New Jersey, Bridgeton, Millville, New Jersey, Millville, Vineland, New Jersey, Vineland) *** Tri-County Farm Belt ** Atlantic County, New Jersey, Greater Atlantic City *** New Jersey Pine Barrens *** Central Corridor Piedmont Region


New Mexico

* Central New Mexico * Eastern New Mexico * New Mexico Bootheel * Northern New Mexico


New York

* Downstate New York **
New York metropolitan area The New York metropolitan area, also commonly referred to as the Tri-State area, is the largest metropolitan area in the world by urban landmass, at , and one of the most populous urban agglomerations in the world. The vast metropolitan area ...
** Borough (New York City), The Five Boroughs (New York City) ** Long Island *** Nassau County, New York, Nassau County *** Suffolk County, New York, Suffolk County ****East End (Long Island), East End **** The Hamptons *** North Shore (Long Island), North Shore (Gold Coast) *** South Shore (Long Island), South Shore ** Westchester County, New York, Westchester County ** Rockland County, New York, Rockland County ** Putnam County, New York, Putnam County * Upstate New York ** Erie Canal, Erie Canal Corridor *** New York State Canal System *** New York State Canalway Trail ** Western New York *** Holland Purchase *** Burned-over district ** Finger Lakes ** former Leatherstocking Country (now the Central New York Region) ** Central New York *** Central New York Military Tract *** Phelps and Gorham Purchase *** Syracuse metropolitan area ** Mohawk Valley ** Southern Tier ** Capital District, New York, Capital District ** North Country, New York, North Country *** Adirondack Mountains **** Adirondack Park *** Ski country *** Thousand Islands *** Tug Hill ** Catskill Mountains *** Borscht Belt ** Hudson Valley *** Shawangunk Ridge ***
Black Dirt Region The Black Dirt Region is located in southern Orange County, New York and northern Sussex County, New Jersey. It is mostly located in the western section of the Town of Warwick, centered on the hamlet of Pine Island. Some sections spill over i ...
(shared with New Jersey)


North Carolina

* Western North Carolina ** Western North Carolina#Foothills, Foothills Region *** South Mountains (North Carolina), South Mountains *** The Unifour, The Unifour (Catawba Valley Area) ** Western North Carolina#High Country, High Country (Boone Area) ** Land of the Sky *** Asheville metropolitan area, Asheville Metropolitan Area **** Great Craggy Mountains *** Blue Ridge Mountains **** Black Mountains (North Carolina), Black Mountains **** Brushy Mountains (North Carolina), Brushy Mountains **** Great Balsam Mountains **** Unaka Range, Unaka Mountains **** Unicoi Mountains *** Great Smoky Mountains **** Western North Carolina#Tennessee Valley, Tennessee Valley * Piedmont (United States), Central North Carolina ** Piedmont Crescent *** Charlotte metropolitan area, Metropolitan Charlotte (Metrolina) **** Lake Norman, Lake Norman Area *** Piedmont Triad, Metropolitan Piedmont Triad **** Sauratown Mountains **** Uwharrie Mountains **** Yadkin Valley AVA, Yadkin Valley ** Research Triangle, The Research Triangle **** New Hope Valley **** Triangle East * Eastern North Carolina ** Fayetteville, North Carolina metropolitan area, Fayetteville Metropolitan Area ** Inner Banks *** Northeastern North Carolina#Albemarle Region, Albemarle *** Global TransPark, Global TransPark Economic Development Area *** Tidewater (geographic term), Tidewater ** Lower Cape Fear, Lower Cape Fear (Wilmington Area) ** Outer Banks *** Crystal Coast **** Bogue Banks **** Down East#North Carolina, Down East ** Sandhills (Carolina), Sandhills


North Dakota

* Badlands * Drift Prairie * Missouri Escarpment * Missouri Coteau, Missouri Plateau (''Missouri Coteau'' in French) * Missouri River Corridor * Red River Valley


Northern Mariana Islands

* Northern Islands Municipality, Northern Islands ** Alamagan ** Anatahan ** Agrihan ** Asuncion Island ** Farallon de Medinilla ** Farallon de Pajaros ** Guguan ** Maug Islands ** Pagan (island), Pagan ** Sarigan * Rota (island), Rota * Saipan * Tinian


Ohio

* Allegheny Plateau * Appalachian Ohio * Cincinnati-Northern Kentucky metropolitan area * Columbus, Ohio metropolitan area * Connecticut Western Reserve (historic, now defunct) * Great Black Swamp (shared with
Indiana Indiana () is a U.S. state in the Midwestern United States. It is the 38th-largest by area and the 17th-most populous of the 50 States. Its capital and largest city is Indianapolis. Indiana was admitted to the United States as the 19th ...
) * The Lake Erie Islands * Miami Valley * Northeast Ohio (often used interchangeably with Greater Cleveland, but also includes the counties of Ashtabula County, Ohio, Ashtabula, Portage County, Ohio, Portage, Summit County, Ohio, Summit, Trumbull County, Ohio, Trumbull, Mahoning County, Ohio, Mahoning and Columbiana County, Ohio, Columbiana.) * Northwest Ohio


Oklahoma

* Central Oklahoma * Cherokee Outlet * Green Country (Oklahoma), Green Country * Choctaw Country * Little Dixie (Oklahoma), Little Dixie * Northwestern Oklahoma * Oklahoma Panhandle, Panhandle * South Central Oklahoma * Southwestern Oklahoma


Oregon

* Cascade Range * Central Oregon * Columbia Plateau * Columbia River * Columbia River Gorge * Eastern Oregon * Goose Lake Valley * Harney Basin * High Desert (Oregon), High Desert * Hood River Valley * Mount Hood Corridor * Northwest Oregon * Oregon Coast *
Palouse The Palouse ( ) is a distinct geographic region of the northwestern United States, encompassing parts of north central Idaho, southeastern Washington, and, by some definitions, parts of northeast Oregon. It is a major agricultural area, prima ...
*
Portland metropolitan area The Portland metropolitan area is a metro area in the U.S. states of Oregon and Washington centered on the principal city of Portland, Oregon. The U.S. Office of Management and Budget (OMB) identifies it as the Portland–Vancouver–Hillsboro ...
* Rogue Valley * Southern Oregon * Treasure Valley * Tualatin Valley * Warner Valley * Western Oregon * Willamette Valley


Pennsylvania

* Allegheny National Forest * Coal Region * Cumberland Valley * Delaware Valley * Pennsylvania Dutch Country, Dutch Country * Endless Mountains * Pennsylvania Highlands Region, Highlands Region * Laurel Highlands * Lehigh Valley * Northern Tier (Pennsylvania), Northern Tier * Northeastern Pennsylvania * Pennsylvania's Northwest Region, Northwest Region * Philadelphia Main Line * Pittsburgh metropolitan area * South Central Pennsylvania * Susquehanna River, Susquehanna Valley * Pocono Mountains, The Poconos * Western Pennsylvania * Wyoming Valley


Puerto Rico

* Caja de Muertos * Culebra, Puerto Rico, Culebra * Desecheo Island * Isla de Mona * Puerto Rico, Puerto Rico (main island) ** Cordillera Central (Puerto Rico), Cordillera Central ** El Yunque National Forest, El Yunque * Vieques, Puerto Rico, Vieques


Rhode Island

* Blackstone Valley * Block Island * East Bay (Rhode Island), East Bay * Warwick, Rhode Island, West Bay * Washington County, Rhode Island, South County


South Carolina

* South Carolina Lowcountry, The Lowcountry * Midlands (South Carolina), The Midlands * Upstate South Carolina, The Upstate *Travel/Tourism locations ** Grand Strand ** Lake Murray Country ** South Carolina Lowcountry, The Lowcountry & Resort Islands ** Ninety-Six District, South Carolina, Old 96 District ** Olde English District ** Pee Dee ** Santee Cooper Country *Other geographical distinctions ** Blue Ridge Mountains ** Charleston, South Carolina metropolitan area, Charleston metropolitan area ** Coastal South Carolina ** Columbia, South Carolina metropolitan area, Columbia metropolitan area ** Piedmont (United States), The Piedmont ** Rock Hill, South Carolina Area ** Sandhills (Carolina), The Sandhills ** Sea Islands ** West Ashley


South Dakota

* East River (South Dakota), East River and West River (South Dakota), West River, divided by the Missouri River * Badlands National Park, Badlands * Black Hills * Coteau des Prairies


Tennessee

* East Tennessee * Middle Tennessee * West Tennessee *Other geographical distinctions: ** Highland Rim ** Nashville Basin ** Tennessee Valley


Texas

* Brazos Valley * Central Texas ** Texas blackland prairies ** Texas Hill Country, The Hill Country *
Gulf Coast The Gulf Coast of the United States, also known as the Gulf South, is the coastline along the Southern United States where they meet the Gulf of Mexico. The coastal states that have a shoreline on the Gulf of Mexico are Texas, Louisiana, Missis ...
** Galveston Bay ** Greater Houston * East Texas **
Piney Woods The Piney Woods is a temperate coniferous forest terrestrial ecoregion in the Southern United States covering of East Texas, southern Arkansas, western Louisiana, and southeastern Oklahoma. These coniferous forests are dominated by several s ...
and Northeast Texas * North Texas ** Dallas – Fort Worth Metroplex ** Texoma * South Texas ** Mission Country ** Rio Grande Valley (Texas), Rio Grande Valley * Southeast Texas ** Golden Triangle (Texas), Golden Triangle ** Greater Houston * Texas Midwest/West-Central Texas (includes Abilene, Texas, Abilene, San Angelo, Texas, San Angelo, Brownwood, Texas) * Texas Urban Triangle (Houston to San Antonio to Dallas-Fort Worth) * West Texas ** Concho Valley ** Edwards Plateau **
Llano Estacado The Llano Estacado (), sometimes translated into English as the Staked Plains, is a region in the Southwestern United States that encompasses parts of eastern New Mexico and northwestern Texas. One of the largest mesas or tablelands on the North A ...
(a portion of northwest Texas) ** Permian Basin (North America), Permian Basin ** South Plains (includes 24 counties south of the Texas Panhandle and north of the Permian Basin) ** Texas Panhandle (pictured) ** Trans-Pecos ** Great Plains


U.S. Minor Outlying Islands

*
Baker Island Baker Island, formerly known as New Nantucket, is an uninhabited atoll just north of the Equator in the central Pacific Ocean about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia. Its nearest neighbor is Ho ...
*
Howland Island Howland Island () is an uninhabited coral island located just north of the equator in the central Pacific Ocean, about southwest of Honolulu. The island lies almost halfway between Hawaii and Australia and is an unorganized, unincorporated terr ...
*
Jarvis Island Jarvis Island (; formerly known as Bunker Island or Bunker's Shoal) is an uninhabited coral island located in the South Pacific Ocean, about halfway between Hawaii and the Cook Islands. It is an unincorporated, unorganized territory of the Uni ...
* Johnston Island *
Kingman Reef Kingman Reef is a largely submerged, uninhabited, triangle-shaped reef, geologically an atoll, east-west and north-south, in the North Pacific Ocean, roughly halfway between the Hawaiian Islands and American Samoa. It has an area of 3 he ...
* Midway Atoll * Navassa Island *
Palmyra Atoll Palmyra Atoll (), also referred to as Palmyra Island, is one of the Northern Line Islands (southeast of Kingman Reef and north of Kiribati). It is located almost due south of the Hawaiian Islands, roughly one-third of the way between Hawaii an ...
*
Wake Island Wake Island ( mh, Ānen Kio, translation=island of the Sida fallax, kio flower; also known as Wake Atoll) is a coral atoll in the western Pacific Ocean in the northeastern area of the Micronesia subregion, east of Guam, west of Honolulu, sou ...


U.S. Virgin Islands

*Saint Croix *Saint John, U.S. Virgin Islands, Saint John *Saint Thomas, U.S. Virgin Islands, Saint Thomas


Utah

* Cache Valley *
Colorado Plateau The Colorado Plateau, also known as the Colorado Plateau Province, is a physiographic and desert region of the Intermontane Plateaus, roughly centered on the Four Corners region of the southwestern United States. This province covers an area ...
* Dixie (Utah), Dixie * Great Salt Lake Desert *
Mojave Desert The Mojave Desert ( ; mov, Hayikwiir Mat'aar; es, Desierto de Mojave) is a desert in the rain shadow of the Sierra Nevada mountains in the Southwestern United States. It is named for the indigenous Mojave people. It is located primarily i ...
* San Rafael Swell * Southeastern Utah * Southwestern Utah * Uinta Mountains * Wasatch Back * Wasatch Front * Wasatch Range


Vermont

* Burlington, Vermont metropolitan area, Burlington metropolitan area * Champlain Valley * Green Mountains * Mount Mansfield * Northeast Kingdom


Virginia

* Eastern Shore of Virginia, Eastern Shore * Hampton Roads * Historic Triangle * Piedmont region of Virginia * Northern Neck * Northern Virginia * Greater Richmond Region * Shenandoah Valley * South Hampton Roads * Southside (Virginia), Southside Virginia * Southwest Virginia * Tidewater region of Virginia, Tidewater * Tri-Cities, Virginia, Tri-Cities * Virginia Peninsula


Washington

* Central Washington * Columbia Plateau * Eastern Washington * Kitsap Peninsula * Long Beach Peninsula * Okanagan Country * Olympic Mountains * Olympic Peninsula * Puget Sound region, Puget Sound *
Rocky Mountains The Rocky Mountains, also known as the Rockies, are a major mountain range and the largest mountain system in North America. The Rocky Mountains stretch in straight-line distance from the northernmost part of western Canada, to New Mexico in ...
* San Juan Islands * Skagit Valley * Southwest Washington * Tri-Cities, Washington, Tri-Cities * Walla Walla County, Washington, Walla Walla Valley * Western Washington * Yakima River, Yakima Valley


West Virginia

* Eastern Panhandle of West Virginia, Eastern Panhandle * North Central West Virginia * Northern Panhandle of West Virginia, Northern Panhandle * Potomac Highlands of West Virginia, Potomac Highlands * Southern West Virginia


Wisconsin

Wisconsin can be divided into regions of Wisconsin, five geographic regions. * Central Plain (Wisconsin), Central Plain * Eastern Ridges and Lowlands * Lake Superior Lowland * Northern Highland * Western Upland


Wyoming

* Bighorn Basin * Powder River Country


Other regional listings


Regions of the Boy Scouts of America

* Central Region (Boy Scouts of America), Central Region * Northeast Region (Boy Scouts of America), Northeast Region * Southern Region (Boy Scouts of America), Southern Region * Western Region (Boy Scouts of America), Western Region


5 Geographic Regions

A common but unofficial way of referring to regions in the United States is grouping them into 5 regions according to their geographic position on the continent. They are the Northeast, Southeast, Midwest, Southwest, and West.


See also

* Geography of the United States * Historic regions of the United States * List of metropolitan areas of the United States * Media market, e.g., Nielsen Designated Market Area * Political divisions of the United States * United States territory * Vernacular geography


Notes


References


External links


U.S. Library of Congress Map of the US Regions
{{DEFAULTSORT:Regions Of The United States, List Of Regions of the United States, * Regions of the United States by state, *List United States geography-related lists United States history-related lists United States science-related lists Regions of North America by country, United States