Center or centre may refer to:

Mathematics

Center (geometry) In geometry, a centre (or center; ) of an object is a point in some sense in the middle of the object. According to the specific definition of center taken into consideration, an object might have no center. If geometry is regarded as the st ...

, the middle of an object *

Center (algebra) The term center or centre is used in various contexts in abstract algebra to denote the set of all those elements that commutative operation, commute with all other elements. * The center of a group ''G'' consists of all those elements ''x'' in ''G' ...

, used in various contexts **

Center (group theory) In abstract algebra, the center of a group, , is the set of elements that commute with every element of . It is denoted , from German ''Zentrum,'' meaning ''center''. In set-builder notation, :. The center is a normal subgroup, . As a sub ...

Center (ring theory) In algebra, the center of a ring ''R'' is the subring consisting of the elements ''x'' such that ''xy = yx'' for all elements ''y'' in ''R''. It is a commutative ring and is denoted as Z(R); "Z" stands for the German word ''Zentrum'', meaning ...

Graph center The center (or Jordan center Wasserman, Stanley, and Faust, Katherine (1994), ''Social Network Analysis: Methods and Applications'', page 185. Cambridge: Cambridge University Press. ) of a graph is the set of all vertices of minimum eccentri ...

, the set of all vertices of minimum eccentricity

Places

United States

Centre, Alabama Centre is a city in Cherokee County, Alabama, United States. At the 2020 census, the population was 3,587. The city is the county seat of Cherokee County. History Cherokee County was created on January 9, 1836, and named for the Cherokee peopl ...

* Center, Colorado * Center, Georgia * Center, Indiana * Center, Jay County, Indiana * Center, Warrick County, Indiana * Center, Kentucky * Center, Missouri * Center, Nebraska *

Center, North Dakota Center is a city in Oliver County, North Dakota, United States. It is the county seat of, and the only incorporated place in, Oliver County. The population was 588 at the 2020 census. History Center was founded in 1902. The city was named from ...

Centre County, Pennsylvania Centre County is a county in the Commonwealth of Pennsylvania. As of the 2020 census, the population was 158,172. Its county seat is Bellefonte. Centre County comprises the State College, PA Metropolitan Statistical Area. History The lands ...

* Center, Portland, Oregon *

Center, Texas Center is a city in Shelby County, Texas. The population was 5,221 at the 2020 U.S. census. It is the county seat of Shelby County. It was named for its location near the center of Shelby County, not its location in Texas; it is near th ...

* Center, Washington *

Center, Outagamie County, Wisconsin Center is a town in Outagamie County, Wisconsin, United States. The population was 3,622 as of the 2020 census. The unincorporated communities of Center Valley, Five Corners, Hamples Corner, Mackville, and Twelve Corners are located in the to ...

* Center, Rock County, Wisconsin **

Center (community), Wisconsin Center is an unincorporated community in the Town of Center, Rock County, Wisconsin, United States. Located in section 22 of Township 3 North Range 11 East of the Fourth Principal Meridian, Center has been published on USGS maps since 1891. B ...

Center Township (disambiguation) Center Township may refer to: Arkansas * Center Township, Montgomery County, Arkansas, in Montgomery County, Arkansas * Center Township, Polk County, Arkansas, in Polk County, Arkansas * Center Township, Pope County, Arkansas * Center Township, ...

Centre Township (disambiguation) Centre Township may refer to the following townships in the United States: * Centre Township, St. Joseph County, Indiana Centre Township is one of thirteen townships in St. Joseph County, in the U.S. state of Indiana. As of the 2010 census, its ...

Centre Avenue (disambiguation) Centre Avenue or Center Avenue may refer to: * Centre Avenue station, a Long Island Rail Road station in East Rockaway, New York, U.S. * Centre Avenue (Pittsburgh), Pennsylvania, U.S. * Center Avenue Neighborhood Residential District, Bay Cit ...

Center Hill (disambiguation) Center Hill can refer to several places in the United States: * Center Hill, Atlanta * Center Hill, Florida * Center Hill, Illinois * Center Hill, North Carolina * Center Hill, Texas * Center Hill Lake, a reservoir in Tennessee {{Geodis ...

Other countries

Centre region, Hainaut The Centre or the Région du Centre is a region within the province of Hainaut in Wallonia, Belgium. It is part of the Sillon industriel or industrial centre of Belgium. It is located between the cities of Mons (the Borinage), Charleroi and Th ...

, Belgium *

Centre Region, Burkina Faso Centre Province is one of Burkina Faso's 13 administrative regions. The population of Centre Province was 1,727,390 at the 2006 census and increased by 75.6% in 13 years to 3,030,384 at the 2019 census (provisional figure), of which 50.8% was f ...

Centre Region (Cameroon) The Centre Region (french: région du Centre) occupies 69,000 km2 of the central plains of the Republic of Cameroon. It is bordered to the north by the Adamawa Region, to the south by the South Region, to the east by the East Region, and ...

Centre-Val de Loire Centre-Val de Loire (, , ,In isolation, ''Centre'' is pronounced . ) or Centre Region (french: région Centre, link=no, ), as it was known until 2015, is one of the eighteen Regions of France, administrative regions of France. It straddles the mi ...

, formerly Centre, France *

Centre (department) Centre (French) or Sant (Haitian Creole; both meaning "Center") is one of the ten departments (french: départements, links=no; ht, depatman, links=no) of Haiti, located in the center of the country along the border with the Dominican Republic. ...

, Haiti * Centre Department (Ivory Coast) * Centre (Chamber of Deputies of Luxembourg constituency) * Centru (development region) (Centre), Romania * Center, Celje, Slovenia *

Center District, Ljubljana The Center District ( sl, Četrtna skupnost Center), or simply the Center, is a district () of the City Municipality of Ljubljana in the centre of Ljubljana, the capital of Slovenia. It has an area of about . The district's major thoroughfares are ...

, Slovenia * Center District, Maribor, Slovenia * Centre, Badalona, Catalonia, Spain

Sports

Center (gridiron football) Center or Centre (C) is a position in gridiron football. The center is the innermost lineman of the offensive line on a football team's offense. The center is also the player who passes (or " snaps") the ball between his legs to the quarterback ...

, a position in American and Canadian football * Centre (Australian rules football), a position on the Centre line *

Center (basketball) The center (C), or the centre, also known as the five or the pivot, is one of the five positions in a regulation basketball game. The center is normally the tallest player on the team, and often has a great deal of strength and body mass as well. ...

, a position *

Centre (ice hockey) The centre (or center in the United States) in ice hockey is a forward position of a player whose primary zone of play is the middle of the ice, away from the sideboards. Centres have more flexibility in their positioning and therefore often ...

, a position * Center (rugby league), a position * Center (rugby union), a position *

Center fielder A center fielder, abbreviated CF, is the outfielder in baseball who plays defense in center field – the baseball and softball fielding position between left field and right field. In the numbering system used to record defensive plays, the ...

, often called "center", a position in baseball

Other uses

* The Centre, a shorthand term for the central

Government of India The Government of India ( ISO: ; often abbreviated as GoI), known as the Union Government or Central Government but often simply as the Centre, is the national government of the Republic of India, a federal democracy located in South Asia, ...

Centrism Centrism is a political outlook or position involving acceptance or support of a balance of social equality and a degree of social hierarchy while opposing political changes that would result in a significant shift of society strongly to the l ...

, the political middle ground between the left wing and the right wing * The Center (political party), a political party in Switzerland * Center (band), a Russian-speaking band * Center (HTML element), coded with * Centre Academy East Anglia, an independent special school in Brettenham, Suffolk, England *

Centre College Centre College is a private liberal arts college in Danville, Kentucky. It is an undergraduate college with an enrollment of approximately 1,400 students. Centre was officially chartered by the Kentucky General Assembly in 1819. The college is ...

, a liberal arts college in Danville, Kentucky, United States *

Centre Radio Centre Radio (officially known as Leicester and Leicestershire Local Radio plc) was the first independent local radio station to serve Leicestershire. It was based at Granville House, Leicester, England. History Centre Radio was launched on ...

, a former British radio station * Centers (Fourth Way), in G.I. Gurdjieff's Fourth Way teaching *

Area control center In air traffic control, an area control center (ACC), also known as a center or en-route center, is a facility responsible for controlling aircraft flying in the airspace of a given flight information region (FIR) at high altitudes between ai ...