Hertfordshire ( or ; often abbreviated Herts) is one of the

home counties The home counties are the counties of England that surround London. The counties are not precisely defined but Buckinghamshire and Surrey are usually included in definitions and Berkshire, Essex, Hertfordshire and Kent are also often inclu ...

in southern

England England is a country that is part of the United Kingdom. It shares land borders with Wales to its west and Scotland to its north. The Irish Sea lies northwest and the Celtic Sea to the southwest. It is separated from continental Europe ...

. It borders

Bedfordshire Bedfordshire (; abbreviated Beds) is a ceremonial county in the East of England. The county has been administered by three unitary authorities, Borough of Bedford, Central Bedfordshire and Borough of Luton, since Bedfordshire County Council ...

and

Cambridgeshire Cambridgeshire (abbreviated Cambs.) is a Counties of England, county in the East of England, bordering Lincolnshire to the north, Norfolk to the north-east, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and North ...

to the north,

Essex Essex () is a county in the East of England. One of the home counties, it borders Suffolk and Cambridgeshire to the north, the North Sea to the east, Hertfordshire to the west, Kent across the estuary of the River Thames to the south, and G ...

to the east,

Greater London Greater may refer to: * Greatness, the state of being great *Greater than, in inequality * ''Greater'' (film), a 2016 American film * Greater (flamingo), the oldest flamingo on record * "Greater" (song), by MercyMe, 2014 * Greater Bank, an Austra ...

to the south, and

Buckinghamshire Buckinghamshire (), abbreviated Bucks, is a ceremonial county in South East England that borders Greater London to the south-east, Berkshire to the south, Oxfordshire to the west, Northamptonshire to the north, Bedfordshire to the north-eas ...

to the west. For government statistical purposes, it forms part of the

East of England The East of England is one of the nine official regions of England. This region was created in 1994 and was adopted for statistics purposes from 1999. It includes the ceremonial counties of Bedfordshire, Cambridgeshire, Essex, Hertfordshire ...

region. Hertfordshire covers . It derives its name – via the name of the county town of

Hertford Hertford ( ) is the county town of Hertfordshire, England, and is also a civil parish in the East Hertfordshire district of the county. The parish had a population of 26,783 at the 2011 census. The town grew around a ford on the River Lea ...

– from a hart (stag) and a ford, as represented on the county's coat of arms and on the

flag A flag is a piece of fabric (most often rectangular or quadrilateral) with a distinctive design and colours. It is used as a symbol, a signalling device, or for decoration. The term ''flag'' is also used to refer to the graphic design emp ...

. Hertfordshire County Council is based in Hertford, once the main

market town A market town is a Human settlement, settlement most common in Europe that obtained by custom or royal charter, in the Middle Ages, a market right, which allowed it to host a regular marketplace, market; this distinguished it from a village or ...

and the current county town. The largest settlement is

Watford Watford () is a town and Borough status in the United Kingdom, borough in Hertfordshire, England, 15 miles northwest of Central London, on the River Colne, Hertfordshire, River Colne. Initially a small market town, the Grand Junction Canal en ...

. Since 1903 Letchworth has served as the prototype garden city;

Stevenage Stevenage ( ) is a large town and borough in Hertfordshire, England, about north of London. Stevenage is east of junctions 7 and 8 of the A1(M), between Letchworth Garden City to the north and Welwyn Garden City to the south. In 1946, Ste ...

became the first town to expand under

post-war Britain In Western usage, the phrase post-war era (or postwar era) usually refers to the time since the end of World War II. More broadly, a post-war period (or postwar period) is the interval immediately following the end of a war. A post-war period c ...

's New Towns Act of 1946. In 2013 Hertfordshire had a population of about 1,140,700, with

Hemel Hempstead Hemel Hempstead () is a town in the Dacorum district in Hertfordshire, England, northwest of London, which is part of the Greater London Urban Area. The population at the 2011 census was 97,500. Developed after the Second World War as a n ...

and

St Albans St Albans () is a cathedral city in Hertfordshire, England, east of Hemel Hempstead and west of Hatfield, north-west of London, south-west of Welwyn Garden City and south-east of Luton. St Albans was the first major town on the old Roma ...

(the county's only ''city'') each having between 50,000 and 100,000 residents.

Welwyn Garden City Welwyn Garden City ( ) is a town in Hertfordshire, England, north of London. It was the second garden city in England (founded 1920) and one of the first new towns (designated 1948). It is unique in being both a garden city and a new town an ...

, Hoddesdon and

Cheshunt Cheshunt ( ) is a town in Hertfordshire, England, north of London on the River Lea and Lee Navigation. It contains a section of the Lee Valley Park, including much of the River Lee Country Park. To the north lies Broxbourne and Wormley, Waltha ...

are close behind with around 47,000 residents. Elevations are higher in the north and west, reaching more than in the Chilterns near

Tring Tring is a market town and civil parish in the Borough of Dacorum, Hertfordshire, England. It is situated in a gap passing through the Chiltern Hills, classed as an Area of Outstanding Natural Beauty, from Central London. Tring is linked t ...

. The county centres on the headwaters and upper valleys of the rivers Lea and the Colne; both flow south, and each is accompanied by a canal. Hertfordshire's undeveloped land is mainly agricultural, with much of it protected by green-belt policies. Services have become the largest sector of the county's economy. Hertfordshire is well served with motorways and railways for access to London, the

Midlands The Midlands (also referred to as Central England) are a part of England that broadly correspond to the Mercia, Kingdom of Mercia of the Early Middle Ages, bordered by Wales, Northern England and Southern England. The Midlands were important in ...

and the

North North is one of the four compass points or cardinal directions. It is the opposite of south and is perpendicular to east and west. ''North'' is a noun, adjective, or adverb indicating direction or geography. Etymology The word ''no ...

. See the List of places in Hertfordshire and also List of settlements in Hertfordshire by population articles for extensive lists of local places and districts.

History

The county's landmarks span many centuries, ranging from the Six Hills in

built by local inhabitants during the Roman period, to Leavesden Film Studios. The volume of intact medieval and Tudor buildings surpasses London, in places in well-preserved

conservation area Protected areas or conservation areas are locations which receive protection because of their recognized natural, ecological or cultural values. There are several kinds of protected areas, which vary by level of protection depending on the ena ...

s, especially in

, which includes remains of the Roman town of

Verulamium Verulamium was a town in Roman Britain. It was sited southwest of the modern city of St Albans in Hertfordshire, England. A large portion of the Roman city remains unexcavated, being now park and agricultural land, though much has been built u ...

. In 913, Hertfordshire was the area assigned to a fortress constructed at

under the rule of

Edward the Elder Edward the Elder (17 July 924) was King of the Anglo-Saxons from 899 until his death in 924. He was the elder son of Alfred the Great and his wife Ealhswith. When Edward succeeded to the throne, he had to defeat a challenge from his cousin ...

. Hertford is derived from the

Anglo-Saxon The Anglo-Saxons were a Cultural identity, cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo- ...

''heort ford,'' meaning

deer Deer or true deer are hoofed ruminant mammals forming the family Cervidae. The two main groups of deer are the Cervinae, including the muntjac, the elk (wapiti), the red deer, and the fallow deer; and the Capreolinae, including the ...

crossing (of a watercourse). The name Hertfordshire is first recorded in the ''

Anglo-Saxon Chronicle The ''Anglo-Saxon Chronicle'' is a collection of annals in Old English, chronicling the history of the Anglo-Saxons. The original manuscript of the ''Chronicle'' was created late in the 9th century, probably in Wessex, during the reign of A ...

'' in 1011. Deer feature in many county emblems. Many of the names of the current settlements date back to the Anglo-Saxon period, with many featuring standard placename suffixes attributed to the Anglo-Saxons: "ford", "ton", "den", "bourn", "ley", "stead", "ing", "lett", "wood", and "worth", are represented in this county by Hertford, Royston, Harpenden, Redbourn, Cuffley, Wheathampstead, Tring, Radlett, Borehamwood and Rickmansworth. There is evidence of human life in Hertfordshire from the Mesolithic period. It was first farmed during the

Neolithic period The Neolithic period, or New Stone Age, is an Old World archaeological period and the final division of the Stone Age. It saw the Neolithic Revolution, a wide-ranging set of developments that appear to have arisen independently in several pa ...

and permanent habitation appeared at the beginning of the

Bronze Age The Bronze Age is a historic period, lasting approximately from 3300 BC to 1200 BC, characterized by the use of bronze, the presence of writing in some areas, and other early features of urban civilization. The Bronze Age is the second pri ...

. This was followed by tribes settling in the area during the

Iron Age The Iron Age is the final epoch of the three-age division of the prehistory and protohistory of humanity. It was preceded by the Stone Age (Paleolithic, Mesolithic, Neolithic) and the Bronze Age (Chalcolithic). The concept has been mostly appl ...

. Following the Roman conquest of Britain in AD 43, the aboriginal

Catuvellauni The Catuvellauni (Common Brittonic: *''Catu-wellaunī'', "war-chiefs") were a Celtic tribe or state of southeastern Britain before the Roman conquest, attested by inscriptions into the 4th century. The fortunes of the Catuvellauni and their ...

quickly submitted and adapted to the Roman life; resulting in the development of several new towns, including

(St Albans) where in c. 293 the first recorded British martyrdom is traditionally believed to have taken place.

Saint Alban Saint Alban (; la, Albanus) is venerated as the first-recorded British Christian martyr, for which reason he is considered to be the British protomartyr. Along with fellow Saints Julius and Aaron, Alban is one of three named martyrs recor ...

, a Romano-British soldier, took the place of a Christian priest and was beheaded on Holywell Hill. His martyr's cross of a yellow saltire on a blue field is reflected in the flag and coat of arms of Hertfordshire as the yellow field to the stag or Hart representing the county. He is the Patron Saint of Hertfordshire. With the departure of the Roman Legions in the early 5th century, the now-unprotected territory was invaded and colonised by the

Anglo-Saxons The Anglo-Saxons were a cultural group who inhabited England in the Early Middle Ages. They traced their origins to settlers who came to Britain from mainland Europe in the 5th century. However, the ethnogenesis of the Anglo-Saxons happened wit ...

. By the 6th century, the majority of the modern county was part of the

East Saxon la, Regnum Orientalium Saxonum , conventional_long_name = Kingdom of the East Saxons , common_name = Essex , era = Heptarchy , status = , status_text = , government_type = Monarch ...

kingdom. This relatively short-lived kingdom collapsed in the 9th century, ceding the territory of Hertfordshire to the control of the West Anglians of

Mercia la, Merciorum regnum , conventional_long_name=Kingdom of Mercia , common_name=Mercia , status=Kingdom , status_text=Independent kingdom (527–879)Client state of Wessex () , life_span=527–918 , era= Heptarchy , event_start= , date_start= , ...

. The region finally became an English shire in the 10th century, on the merger of the West Saxon and Mercian kingdoms. In the midst of the Norse invasions, Hertfordshire was on the front lines of much of the fighting. King

, in his reconquest of Norse-held lands in what was to become

, established a "

burh A burh () or burg was an Old English fortification or fortified settlement. In the 9th century, raids and invasions by Vikings prompted Alfred the Great to develop a network of burhs and roads to use against such attackers. Some were new const ...

" or fort in Hertford, which was to curb Norse activities in the area. His father, King Alfred the Great, established the River Lea as a boundary between his kingdom and that of the Norse lord

Guthrum Guthrum ( ang, Guðrum, c. 835 – c. 890) was King of East Anglia in the late 9th century. Originally a native of what is now Denmark, he was one of the leaders of the "Great Summer Army" that arrived in Reading during April 871 to join forces ...

, with the north and eastern parts of the county being within the

Danelaw The Danelaw (, also known as the Danelagh; ang, Dena lagu; da, Danelagen) was the part of England in which the laws of the Danes held sway and dominated those of the Anglo-Saxons. The Danelaw contrasts with the West Saxon law and the Mercia ...

. There is little evidence however of

Norse Norse is a demonym for Norsemen, a medieval North Germanic ethnolinguistic group ancestral to modern Scandinavians, defined as speakers of Old Norse from about the 9th to the 13th centuries. Norse may also refer to: Culture and religion * Nor ...

placenames within this region, and many of the

features remained intact to this day. The county however suffered from renewed Norse raids in the late 10th to early 11th centuries, as armies led by

Danish king This is a list of Danish monarchs, that is, the kings and queens regnant of Denmark. This includes: * The Kingdom of Denmark (up to 1397) ** Personal union of Denmark and Norway (1380–1397) * The Kalmar Union (1397–1536) ** Union of Denmark, ...

Swein Forkbeard Sweyn Forkbeard ( non, Sveinn Haraldsson tjúguskegg ; da, Svend Tveskæg; 17 April 963 – 3 February 1014) was King of Denmark from 986 to 1014, also at times King of the English and King of Norway. He was the father of King Harald II of De ...

and

Cnut the Great Cnut (; ang, Cnut cyning; non, Knútr inn ríki ; or , no, Knut den mektige, sv, Knut den Store. died 12 November 1035), also known as Cnut the Great and Canute, was King of England from 1016, King of Denmark from 1018, and King of Norway ...

harried the country as part of their attempts to undermine and overthrow English king Athelred the Unready. A century later,

William of Normandy William I; ang, WillelmI (Bates ''William the Conqueror'' p. 33– 9 September 1087), usually known as William the Conqueror and sometimes William the Bastard, was the first Norman king of England, reigning from 1066 until his death in 1087 ...

received the surrender of the surviving senior English Lords and Clergy at

Berkhamsted Berkhamsted ( ) is a historic market town in Hertfordshire, England, in the Bulbourne valley, north-west of London. The town is a civil parish with a town council within the borough of Dacorum which is based in the neighbouring large new tow ...

, resulting in a new Anglicised title of

William the Conqueror William I; ang, WillelmI (Bates ''William the Conqueror'' p. 33– 9 September 1087), usually known as William the Conqueror and sometimes William the Bastard, was the first Norman king of England The monarchy of the United Kingdom, ...

, before entering London unopposed and being crowned at

Westminster Westminster is an area of Central London, part of the wider City of Westminster. The area, which extends from the River Thames to Oxford Street, has many visitor attractions and historic landmarks, including the Palace of Westminster, Buck ...

. Hertfordshire was used for some of the new Norman castles at

Bishop's Stortford Bishop's Stortford is a historic market town in Hertfordshire, England, just west of the M11 motorway on the county boundary with Essex, north-east of central London, and by rail from Liverpool Street station. Stortford had an estimated popu ...

, and at King's Langley, a staging post between London and the royal residence of

. The

Domesday Book Domesday Book () – the Middle English spelling of "Doomsday Book" – is a manuscript record of the "Great Survey" of much of England and parts of Wales completed in 1086 by order of King William I, known as William the Conqueror. The manusc ...

recorded the county as having nine hundreds.

and Danais became one

Dacorum The Borough of Dacorum is a local government district in Hertfordshire, England that includes the towns of Hemel Hempstead, Berkhamsted, Tring and Kings Langley. The district, which was formed in 1974, had a population of 137,799 in 2001 ...

from Danis Corum or Danish rule harking back to a

Viking Vikings ; non, víkingr is the modern name given to seafaring people originally from Scandinavia (present-day Denmark, Norway and Sweden), who from the late 8th to the late 11th centuries raided, pirated, traded and s ...

not

Saxon The Saxons ( la, Saxones, german: Sachsen, ang, Seaxan, osx, Sahson, nds, Sassen, nl, Saksen) were a group of Germanic * * * * peoples whose name was given in the early Middle Ages to a large country ( Old Saxony, la, Saxonia) near the No ...

past. The other seven were Braughing,

, Cashio, Buntingford,

, Hitchin and Odsey. In the later Plantagenet period, St. Albans Abbey was an initial drafting place of what was to become the Magna Carta. And in the later Wars of the Roses, St. Albans was the scene of two major battles between the Lancastrians and the Yorkists. In Tudor times,

Hatfield House Hatfield House is a country house set in a large park, the Great Park, on the eastern side of the town of Hatfield, Hertfordshire, England. The present Jacobean house, a leading example of the prodigy house, was built in 1611 by Robert C ...

was often frequented by Queen Elizabeth I. Stuart King James I used the locale for hunting and facilitated the construction of a waterway, the New River, supplying

drinking water Drinking water is water that is used in drink or food preparation; potable water is water that is safe to be used as drinking water. The amount of drinking water required to maintain good health varies, and depends on physical activity level, ...

to London. As London grew, Hertfordshire became conveniently close to the English capital; much of the area was owned by the

nobility Nobility is a social class found in many societies that have an aristocracy (class), aristocracy. It is normally ranked immediately below Royal family, royalty. Nobility has often been an Estates of the realm, estate of the realm with many e ...

and aristocracy, this patronage helped to boost the local economy. However, the greatest boost to Hertfordshire came during the

Industrial Revolution The Industrial Revolution was the transition to new manufacturing processes in Great Britain, continental Europe, and the United States, that occurred during the period from around 1760 to about 1820–1840. This transition included going f ...

, after which the population rose dramatically. In 1903, Letchworth became the world's first garden city and

became the first town to redevelop under the

New Towns Act 1946 The New Towns Acts were a series of Acts of the Parliament of the United Kingdom to found new settlements or to expand substantially existing ones, to establish Development Corporations to deliver them, and to create a Commission to wind up the ...

. The first shooting-down of a

zeppelin A Zeppelin is a type of rigid airship named after the German inventor Count Ferdinand von Zeppelin () who pioneered rigid airship development at the beginning of the 20th century. Zeppelin's notions were first formulated in 1874Eckener 1938, ...

over Great Britain during WW1 happened in Cuffley. From the

1920s File:1920s decade montage.png, From left, clockwise: Third Tipperary Brigade Flying Column No. 2 under Seán Hogan during the Irish War of Independence; Prohibition agents destroying barrels of alcohol in accordance to the 18th amendment, which ...

until the late

1980s File:1980s replacement montage02.PNG, 420px, From left, clockwise: The first Space Shuttle, ''Columbia'', lifts off in 1981; US president Ronald Reagan and Soviet leader Mikhail Gorbachev ease tensions between the two superpowers, leading to t ...

, the town of Borehamwood was home to one of the major British

film studio A film studio (also known as movie studio or simply studio) is a major entertainment company or motion picture company that has its own privately owned studio facility or facilities that are used to make films, which is handled by the production ...

complexes, including the MGM-British Studios. Many well-known films were made here including the first three ''

Star Wars ''Star Wars'' is an American epic space opera multimedia franchise created by George Lucas, which began with the eponymous 1977 film and quickly became a worldwide pop-culture phenomenon. The franchise has been expanded into various film ...

'' movies ( IV, V, & VI). The studios generally used the name of

Elstree Elstree is a large village in the Hertsmere borough of Hertfordshire, England. It is about northwest of central London on the former A5 road, that follows the course of Watling Street. In 2011, its population was 5,110. It forms part of the ...

. American director

Stanley Kubrick Stanley Kubrick (; July 26, 1928 – March 7, 1999) was an American film director, producer, screenwriter, and photographer. Widely considered one of the greatest filmmakers of all time, his films, almost all of which are adaptations of nove ...

not only used to shoot in those studios but also lived in the area until his death. '' Big Brother UK'' and ''

Who Wants to Be a Millionaire? ''Who Wants to Be a Millionaire?'' (often informally called ''Millionaire'') is an international television game show franchise of British origin, created by David Briggs, Mike Whitehill and Steven Knight. In its format, currently owned and ...

'' have been filmed there. '' EastEnders'' is filmed at Elstree. Hertfordshire has seen development at Warner Bros. Studios, Leavesden; the ''Harry Potter'' series was filmed here and the 1995 James Bond film '' GoldenEye''. On 17 October 2000, the Hatfield rail crash killed four people with over 70 injured. The crash exposed the shortcomings of Railtrack, which consequently saw speed restrictions and major track replacement. On 10 May 2002, the fourth of the Potters Bar rail accidents occurred killing seven people; the train was at high speed when it derailed and flipped into the air when one of the carriages slid along the platform where it came to rest. In early December 2005, the

2005 Hemel Hempstead fuel depot explosions The Buncefield fire was a major fire at an oil storage facility that started on 11 December 2005 at the Hertfordshire Oil Storage Terminal, located near the M1 motorway, Hemel Hempstead, in Hertfordshire, England. The terminal was the fifth ...

occurred at the

Hertfordshire Oil Storage Terminal Buncefield oil depot is operated by Hertfordshire Oil Storage Ltd (HOSL) and officially known as the Hertfordshire Oil Storage Terminal. It is an oil depot located on the edge of Hemel Hempstead to the north of London in the United Kingdom (UK) ...

Geography

Hertfordshire is the county immediately north of London and is part of the

region, a mainly statistical unit. To the east is

, to the west is

and to the north are

and

. A significant minority of the population across all districts commute to Central London. The county's boundaries were roughly fixed by the

Counties (Detached Parts) Act 1844 The Counties (Detached Parts) Act 1844 (7 & 8 Vict. c. 61), which came into effect on 20 October 1844, was an Act of Parliament of the United Kingdom which eliminated many outliers or exclaves of counties in England and Wales for civil purposes. ...

which eliminated

exclave An enclave is a territory (or a small territory apart of a larger one) that is entirely surrounded by the territory of one other state or entity. Enclaves may also exist within territorial waters. ''Enclave'' is sometimes used improperly to deno ...

s; amended when, in 1965 under the

London Government Act 1963 The London Government Act 1963 (c. 33) is an Act of the Parliament of the United Kingdom, which created Greater London and a new local government structure within it. The Act significantly reduced the number of local government districts in the ...

East Barnet Urban District East Barnet Valley was a local government district from 1863 to 1965 around the town of East Barnet. It was partly in the counties of Hertfordshire and Middlesex until 1889, when the Middlesex part was transferred to Hertfordshire. It was renamed ...

and Barnet Urban District were abolished, their area was transferred to form part of the present-day

London Borough of Barnet The London Borough of Barnet () is a suburban London borough in North London. The borough was formed in 1965 from parts of the ceremonial counties of Middlesex and Hertfordshire. It forms part of Outer London and is the largest London boroug ...

and the Potters Bar Urban District of

Middlesex Middlesex (; abbreviation: Middx) is a historic county in southeast England. Its area is almost entirely within the wider urbanised area of London and mostly within the ceremonial county of Greater London, with small sections in neighbourin ...

was transferred to Hertfordshire. The highest point in the county is at ( AOD) on

the Ridgeway The ancient tree-lined path winds over the downs countryside The Ridgeway is a ridgeway or ancient trackway described as Britain's oldest road. The section clearly identified as an ancient trackway extends from Wiltshire along the chalk r ...

long distance national path, on the border of Hastoe near

with Drayton Beauchamp, Buckinghamshire. At the 2011 census, among the county's ten districts,

East Hertfordshire East Hertfordshire is a local government district in Hertfordshire, England. Its council is based in Hertford, the county town of Hertfordshire. The largest town in the district is Bishop's Stortford, and the other main towns are Ware, Bu ...

had the lowest population density (290 people per km²) and

the highest (4210 per km²). Compared with neighbouring Bedfordshire and Buckinghamshire, Hertfordshire lacks large towns or cities on the scale of

Luton Luton () is a town and unitary authority with borough status, in Bedfordshire, England. At the 2011 census, the Luton built-up area subdivision had a population of 211,228 and its built-up area, including the adjacent towns of Dunstable a ...

or Milton Keynes, whose populations exceed 200,000, but its overall population (approximately 1 million) is greater than those of the two aforementioned counties. The River Lea near Harpenden runs through Wheathampstead, Welwyn Garden City, Hertford, Ware, and Broxbourne before reaching

and ultimately the River Thames. The far west of the county is the most hilly, with the

Chiltern Hills The Chiltern Hills is a chalk escarpment in England. The area, northwest of London, covers stretching from Goring-on-Thames in the southwest to Hitchin in the northeast - across Oxfordshire, Buckinghamshire, Hertfordshire, and Bedfordshir ...

surrounding

and the Ashridge estate. This

Area of Outstanding Natural Beauty An Area of Outstanding Natural Beauty (AONB; , AHNE) is an area of countryside in England, Wales, and Northern Ireland, that has been designated for conservation due to its significant landscape value. Areas are designated in recognition of th ...

runs from near Hitchin in the north to Berkshire and Oxfordshire. Many of the county's major settlements are in the central, northern and southern areas, such as Watford, Hemel Hempstead, Kings Langley, Rickmansworth, St. Albans, Harpenden, Radlett, Borehamwood,

Potters Bar Potters Bar is a town in Hertfordshire, England,in the historic County of Middlesex Hertsmere Borough Council – Community Strategy First Review (PDF) north of central London. In 2011, it had a population of 21,882. In 2022 the population wa ...

, Stevenage, Hatfield, Welwyn and Welwyn Garden City, Hitchin, Letchworth and Baldock. These are all small to medium-sized locations, featuring a mix of post-WWII new towns and older/more historical locales. The City of St. Albans is an example of a historical settlement, as its cathedral and abbey date to the Norman period, and there are ruins from the Roman settlement of

nearby the current city centre. Stevenage is a mix of post-WWII

new town New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz Albums and EPs * ''New'' (album), by Paul McCartney, 2013 * ''New'' (EP), by Regurgitator ...

planning amidst its prior incarnation as a smaller town. The Old Town in Stevenage represents this historic core and has many shops and buildings reflecting its pre-WWII heritage. Hitchin also has a historic centre, with many Tudor and

Stuart Stuart may refer to: Names * Stuart (name), a given name and surname (and list of people with the name) Automobile *Stuart (automobile) Places Australia Generally *Stuart Highway, connecting South Australia and the Northern Territory Northe ...

era buildings interspersed amongst more contemporary structures. Hertfordshire's eastern regions are predominantly rural and arable, intermixed with villages and small to medium-sized towns. Royston, Buntingford and Bishops Stortford, along with Ware and the county town of Hertford are major settlements in this regard. The physical geography of eastern Hertfordshire is less elevated than the far west, but with lower rising hills and prominent rivers such as the Stort. This river rises in

and terminates via a confluence with the Lea near to Ware. Apart from the Lea and Stort, the River Colne is the major watercourse in the county's west. This runs near Watford and Radlett, and has a complex system/drainage area running south into both Greater London and Buckinghamshire. An unofficial status, the purple star-shaped flower with yellow stamens, the Pasqueflower is among endemic county flowers.

Geology

The rocks of Hertfordshire belong to the great shallow syncline known as the

London Basin The London Basin is an elongated, roughly triangular sedimentary basin approximately long which underlies London and a large area of south east England, south eastern East Anglia and the adjacent North Sea. The basin formed as a result of compr ...

. The beds dip in a south-easterly direction towards the syncline's lowest point roughly under the

River Thames The River Thames ( ), known alternatively in parts as the River Isis, is a river that flows through southern England including London. At , it is the longest river entirely in England and the second-longest in the United Kingdom, after the ...

. The most important formations are the

Cretaceous The Cretaceous ( ) is a geological period that lasted from about 145 to 66 million years ago (Mya). It is the third and final period of the Mesozoic Era, as well as the longest. At around 79 million years, it is the longest geological period of ...

Chalk Chalk is a soft, white, porous, sedimentary carbonate rock. It is a form of limestone composed of the mineral calcite and originally formed deep under the sea by the compression of microscopic plankton that had settled to the sea floor. Cha ...

, exposed as the high ground in the north and west of the county, forming the

and the younger Palaeocene,

Reading Beds The Reading Formation is a geologic formation in southern England. It dates to the Paleocene period, and is part of the Lambeth Group. It overlies the London Basin and is below the Harwich Formation. The formation is composed of "a series ...

and

Eocene The Eocene ( ) Epoch is a geological epoch that lasted from about 56 to 33.9 million years ago (mya). It is the second epoch of the Paleogene Period in the modern Cenozoic Era. The name ''Eocene'' comes from the Ancient Greek (''ēṓs'', " ...

London Clay The London Clay Formation is a marine geological formation of Ypresian (early Eocene Epoch, c. 56–49 million years ago) age which crops out in the southeast of England. The London Clay is well known for its fossil content. The fossils from t ...

which occupy the remaining southern part. The eastern half of the county was covered by glaciers during the

Ice Age An ice age is a long period of reduction in the temperature of Earth's surface and atmosphere, resulting in the presence or expansion of continental and polar ice sheets and alpine glaciers. Earth's climate alternates between ice ages and gre ...

and has a superficial layer of glacial

boulder clay Boulder clay is an unsorted agglomeration of clastic sediment that is unstratified and structureless and contains gravel of various sizes, shapes, and compositions distributed at random in a fine-grained matrix. The fine-grained matrix consists ...

Natural resources and environment

Much of the west – and much more in the east – have richly diverse countryside.''Hertfordshire A Landscape History'' Anne Rowe, Tom Williamson (2013), University of Hertfordshire Press at Introduction, e-page 18 https://www.google.co.uk/books/edition/Hertfordshire/rBleCUlsT_oC?hl=en&gbpv=1&pg=PT18 These range from beech woods of the Chilterns, clayland

buffer zone A buffer zone is a neutral zonal area that lies between two or more bodies of land, usually pertaining to countries. Depending on the type of buffer zone, it may serve to separate regions or conjoin them. Common types of buffer zones are demil ...

countryside of Braughing and the Hadhams across to

ancient Ancient history is a time period from the beginning of writing and recorded human history to as far as late antiquity. The span of recorded history is roughly 5,000 years, beginning with the Sumerian cuneiform script. Ancient history cove ...

hornbeam Hornbeams are hardwood trees in the flowering plant genus ''Carpinus'' in the birch family Betulaceae. The 30–40 species occur across much of the temperate regions of the Northern Hemisphere. Origin of names The common English name ''hornb ...

coppices west of the upper Lea valley. The county has sweeping panoramas of chalklands near

Royston Royston may refer to: Places Australia *Royston, Queensland, a rural locality Canada *Royston, British Columbia, a small hamlet England *Royston, Hertfordshire, a town and civil parish, formerly partly in Cambridgeshire *Royston, South Yorkshi ...

, Baldock, Hexton and

. Large parts of the county are used for agriculture. Some

quarry A quarry is a type of open-pit mining, open-pit mine in which dimension stone, rock (geology), rock, construction aggregate, riprap, sand, gravel, or slate is excavated from the ground. The operation of quarries is regulated in some juri ...

ing of sand and gravel occurs around St Albans. In the past, clay has supplied local brick-making and still does in Bovingdon, just south-west of Hemel Hempstead. The chalk that is the bedrock of much of the county provides an

aquifer An aquifer is an underground layer of water-bearing, permeable rock, rock fractures, or unconsolidated materials ( gravel, sand, or silt). Groundwater from aquifers can be extracted using a water well. Aquifers vary greatly in their characteri ...

that feeds streams and is also exploited to provide water supplies for much of the county and beyond. Chalk has also been used as a building material and, once fired, the resultant lime was spread on agricultural land to improve fertility. The mining of chalk since the early 18th century has left unrecorded underground galleries that occasionally collapse unexpectedly and endanger buildings. Fresh water is supplied to London from Ware, using the New River built by Hugh Myddleton and opened in 1613. Local rivers, although small, supported developing industries such as paper production at Nash Mills. Hertfordshire affords habitat for a variety of flora and fauna. A bird once common in the shire is the Hooded Crow, the old name of which is the eponymous name of the regional newspaper, the ''Royston Crow'' published in

. A product, now largely defunct, was

watercress Watercress or yellowcress (''Nasturtium officinale'') is a species of aquatic flowering plant in the cabbage family Brassicaceae. Watercress is a rapidly growing perennial plant native to Europe and Asia. It is one of the oldest known leaf ve ...

, based in

and

supported by reliable, clean chalk rivers.

Urban areas

Economy

This is a table of trends of regional gross value added of Hertfordshire at current basic prices with figures in millions of British Pounds Sterling. Hertfordshire has the main operational and/or headquarters UK site of some very large employers. Clockwise from north: In

(a subsidiary of: BAE Systems,

Airbus Airbus SE (; ; ; ) is a European multinational aerospace corporation. Airbus designs, manufactures and sells civil and military aerospace products worldwide and manufactures aircraft throughout the world. The company has three divisions: '' ...

and

Finmeccanica Leonardo S.p.A., formerly Leonardo-Finmeccanica and originally Finmeccanica, is an Italian multinational company specialising in aerospace, defence and security. Headquartered in Rome, Italy, the company has 180 sites worldwide. It is the eighth ...

)

MBDA MBDA is a European multinational developer and manufacturer of missiles.MBDA Inc. US Division Co ...

, develops

missile In military terminology, a missile is a missile guidance, guided airborne ranged weapon capable of self-propelled flight usually by a jet engine or rocket motor. Missiles are thus also called guided missiles or guided rockets (when a previously ...

s. In the same town, Airbus (Defence & Space Division) produces satellites. Hatfield was where de Havilland developed the first commercial jet liner, the

Comet A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process that is called outgassing. This produces a visible atmosphere or Coma (cometary), coma, and sometimes also a Comet ta ...

. Now the site is a business park and new campus for the

University of Hertfordshire The University of Hertfordshire (UH) is a public university in Hertfordshire, United Kingdom. The university is based largely in Hatfield, Hertfordshire, Hatfield, Hertfordshire. Its antecedent institution, Hatfield Technical College, was found ...

. This major employment site notably hosts EE, Computacenter and Ocado groceries and other goods e-commerce.

hosts

Tesco Tesco plc () is a British Multinational corporation, multinational groceries and general merchandise retailer headquartered in Welwyn Garden City, England. In 2011 it was the third-largest retailer in the world measured by gross revenues an ...

's UK base, hosts the UK Cereal Partners factory and in pharmaceuticals it hosts Roche UK's headquarters (subsidiary of the Swiss Hoffman-La Roche).

GlaxoSmithKline GSK plc, formerly GlaxoSmithKline plc, is a British Multinational corporation, multinational pharmaceutical and biotechnology company with global headquarters in London, England. Established in 2000 by a Mergers and acquisitions, merger of Gl ...

has plants in Ware and

has large premises of Dixons Carphone. The National Pharmacy Association (NPA), the trade association for UK pharmacies, is based in

. Kings Langley has the plant-office of Pure, making DAB digital radios.

hosts national companies such as J D Wetherspoon, Camelot Group, Bathstore, and Caversham Finance (BrightHouse). It is also the UK base of multi-nationals

Hilton Worldwide Hilton Worldwide (legally Hilton Worldwide Holdings Inc.) is an American multinational hospitality company that manages and franchises a broad portfolio of hotels and resorts. Founded by Conrad Hilton in May 1919, the corporation is now led b ...

TotalEnergies TotalEnergies SE is a French multinational integrated energy and petroleum company founded in 1924 and one of the seven supermajor oil companies. Its businesses cover the entire oil and gas chain, from crude oil and natural gas exploration and ...

TK Maxx TK Maxx is a subsidiary of the American apparel and home goods company TJX Companies based in Framingham, Massachusetts. The stores operate throughout the United Kingdom, Australia, Ireland, Germany, Poland, Austria and the Netherlands, total ...

Costco Costco Wholesale Corporation ( doing business as Costco Wholesale and also known simply as Costco) is an American multinational corporation which operates a chain of membership-only big-box retail stores ( warehouse club). As of 2022, Cost ...

, JJ Kavanagh and Sons,

Vinci Vinci may refer to: Places *Vinci, Tuscany, a ''comune'' in the Province of Florence, Italy *Vinci (Golubac), a community in Braničevo District, Serbia People * Alessandro Vinci (born 1987), Italian footballer *Alessio Vinci (born 1968), Itali ...

and Beko. The 2006 World Golf Championship and the 2013 Bilderberg Conference, took place at The Grove hotel. Warner Bros. owns and runs its main UK base since the 2000s, Warner Studios, in Leavesden, Watford. Rickmansworth hosts

Skanska Skanska AB () is a multinational construction and development company based in Sweden. Skanska is the fifth-largest construction company in the world according to ''Construction Global'' magazine. Notable Skanska projects include renovation of t ...

Television

Local news is provided by

BBC London BBC London is the BBC English Region producing local radio, television, teletext and online services in London and parts of the surrounding area. Its output includes the daily '' BBC London News'' and weekly '' Sunday Politics'' on television ...

ITV London ITV London is the on-air brand name used by ''ITV Broadcasting Limited'' for two broadcast franchises of ITV, Carlton Television (weekdays) and London Weekend Television (weekends) in the London ITV region. Its terrestrial digital signal is t ...

, however northern parts of the county receive BBC East &

ITV Anglia ITV Anglia, previously known as Anglia Television, is the ITV franchise holder for the East of England. The station is based at Anglia House in Norwich, with regional news bureaux in Cambridge and Northampton. ITV Anglia is owned and operated ...

from

Cambridge Cambridge ( ) is a university city and the county town in Cambridgeshire, England. It is located on the River Cam approximately north of London. As of the 2021 United Kingdom census, the population of Cambridge was 145,700. Cambridge beca ...

Sport

In 2012, the canoe and kayak slalom events of the 2012 Summer Olympics took place in Waltham Cross,

Broxbourne Broxbourne is a town and former civil parish, now in the unparished area of Hoddesdon, in the Broxbourne district, in Hertfordshire, England, north of London, with a population of 15,303 at the 2011 Census.Broxbourne Town population 2011 It ...

Football

As of the 2021–22 season, there are four professional football teams in Hertfordshire: Watford F.C., Stevenage F.C.,

Arsenal W.F.C. Arsenal Women Football Club, commonly referred to as Arsenal, is an English professional women's football club based in Islington, London, England. The club plays in the Women's Super League, the top tier of English women's football. Arse ...

and Boreham Wood F.C. Since 1922, Watford play their home games at Vicarage Road. The club joined the Football League in 1920 as a founding member of the Third Division and first played in the First Division of English football in

1982 Events January * January 1 – In Malaysia and Singapore, clocks are adjusted to the same time zone, UTC+8 (GMT+8.00). * January 13 – Air Florida Flight 90 crashes shortly after takeoff into the 14th Street Bridge in Washington, D.C., Un ...

, finishing as runners-up to champions

Liverpool Liverpool is a City status in the United Kingdom, city and metropolitan borough in Merseyside, England. With a population of in 2019, it is the List of English districts by population, 10th largest English district by population and its E ...

. Watford was promoted to the Premier League at the end of the 2020–2021 season. After spending one season in the Premier League, they were relegated to the Championship again for the 2022-2023 season. Stevenage F.C. was formed in 1976 as Stevenage Borough and have played at Broadhall Way since 1980. Stevenage was the first club to win a competitive match at the new

Wembley Stadium Wembley Stadium (branded as Wembley Stadium connected by EE for sponsorship reasons) is a football stadium in Wembley, London. It opened in 2007 on the site of the Wembley Stadium (1923), original Wembley Stadium, which was demolished from 200 ...

, beating

Kidderminster Harriers Kidderminster Harriers Football Club is a professional association football club based in Kidderminster, Worcestershire, England. The team compete in the National League North, at the sixth tier of the English football league system. Formed ...

3–2 in the 2007 FA Trophy Final. The club currently play in the

EFL League Two The English Football League Two (often referred to as League Two for short or Sky Bet League Two for sponsorship purposes, and known as the Football League Two from 2004 until 2016) is the third and lowest division of the English Football L ...

and have been managed by former player

Alex Revell Alexander David Revell (born 7 July 1983) is an English manager and former footballer. He is currently serving as a first team coach for Stevenage in League Two. He was the manager at Stevenage from February 16, 2020 till November 14, 2021. D ...

since February 2020.

Arsenal F.C. Arsenal Football Club, commonly referred to as Arsenal, is a professional football club based in Islington, London, England. Arsenal plays in the Premier League, the top flight of English football. The club has won 13 league titles (inclu ...

, whilst based at the

Emirates Stadium The Emirates Stadium (known as Arsenal Stadium for UEFA competitions) is a football stadium in Holloway, London, England. It has been the home stadium of Arsenal Football Club since its completion in 2006. It has a current seated capacit ...

in the

London Borough of Islington The London Borough of Islington ( ) is a London borough in Inner London. Whilst the majority of the district is located in north London, the borough also includes a significant area to the south which forms part of central London. Islington ha ...

, has long held a training ground in the county. Until 1999, it held the London Colney

University of London The University of London (UoL; abbreviated as Lond or more rarely Londin in post-nominals) is a federal public research university located in London, England, United Kingdom. The university was established by royal charter in 1836 as a degre ...

facility, until it built a new purpose-built compound adjacent to it. Watford FC currently utilises the old Arsenal training area as its training facility. Arsenal W.F.C. play at Meadow Park in Borehamwood. The club was formed in 1987 and have played in the

FA Women's Super League The Women's Super League (WSL), currently known as the Barclays Women's Super League (BWSL) for sponsorship reasons, is the highest league of women's football in England. Established in 2010, it is run by the Football Association and features t ...

since its inaugural season in 2011. Hertfordshire has many semi-professional and amateur clubs. The highest placed are Hemel Hempstead Town and St Albans City, who play one division lower in the

National League South The National League South, formerly Conference South, is one of the second divisions of the National League in England, immediately below the top division National League. Along with National League North, it is in the second level of the N ...

Rugby

Rugby league

Hemel Stags are a

rugby league Rugby league football, commonly known as just rugby league and sometimes football, footy, rugby or league, is a full-contact sport played by two teams of thirteen players on a rectangular field measuring 68 metres (75 yards) wide and 112 ...

team based in

. Hemel Stags have played at Pennine Way Stadium since the club's founding in 1981. Until 2018, the club played in league 1, the third tier of the British rugby league system, and now compete in the Conference League South.

Rugby union

The Hertfordshire Rugby Football Union is the governing body for

rugby union Rugby union, commonly known simply as rugby, is a Contact sport#Terminology, close-contact team sport that originated at Rugby School in the first half of the 19th century. One of the Comparison of rugby league and rugby union, two codes of ru ...

in Hertfordshire and is responsible for any interested parties involved in rugby. Tring Rugby play matches at Cow Lane, Tring. The first XV currently play in the Regional 1 South East, League. A level 5 league.

Landmarks

The Cathedral and Abbey Church of St Alban

Trees and Bluebells, Dockey Wood, Ashridge - geograph

The Making of Harry Potter 29-05-2012 (7528994480)

Below is a list of notable visitor attractions in Hertfordshire: * Aldenham Country Park * Ashridge – the estate surrounding the neo-Gothic house by James Wyatt (not open to the public) is

National Trust The National Trust, formally the National Trust for Places of Historic Interest or Natural Beauty, is a charity and membership organisation for heritage conservation in England, Wales and Northern Ireland. In Scotland, there is a separate and ...

land. ** Bridgewater Monument, built in 1832 in memory of Francis Egerton, 3rd Duke of Bridgewater. tall and open to the public to ascend to the top *

Berkhamsted Castle Berkhamsted Castle is a Norman motte-and-bailey castle in Berkhamsted, Hertfordshire. The castle was built to obtain control of a key route between London and the Midlands during the Norman conquest of England in the 11th century. Robert ...

Cedars Park, Broxbourne Cedars Park is a historic public park originally the site of Theobalds Palace, which was King James I's favourite residence. The park is managed by Broxbourne Council and located in Cheshunt, Hertfordshire, England. It has received a Green Fla ...

– historic park once the site of James I's favourite residence, Theobalds Palace. Maintained by Broxbourne Services and the Friends of Cedars Park. * de Havilland Aircraft Heritage Centre, between London Colney and South Mimms * Frogmore Paper Mill, Apsley * Hatfield **

– Jacobean house, gardens and park ** Mill Green Watermill in Hatfield * Henry Moore Foundation, Much Hadham – sculpture park on the work of

Henry Moore Henry Spencer Moore (30 July 1898 – 31 August 1986) was an English artist. He is best known for his semi-abstract art, abstract monumental bronze sculptures which are located around the world as public works of art. As well as sculpture, Mo ...

Knebworth House Knebworth House is an English country house in the parish of Knebworth in Hertfordshire, England. It is a Grade II* listed building. Its gardens are also listed Grade II* on the Register of Historic Parks and Gardens. In its surrounding park ...

, of country park, venue of many rock and pop festivals * Leavesden Film Studios, home of the Warner Bros. '' Making of Harry Potter'' studio tour *

Letchworth Garden City Letchworth Garden City, commonly known as Letchworth, is a town in the North Hertfordshire district of Hertfordshire, England. It is noted for being the first Garden city movement, garden city. The population at the time of the 2011 census was ...

– the world's first Garden City. Site of the first planned

Green Belt A green belt is a policy and land-use zone designation used in land-use planning to retain areas of largely undeveloped, wilderness, wild, or agricultural landscape, land surrounding or neighboring urban areas. Similar concepts are greenway (lan ...

, the UK's first

roundabout A roundabout is a type of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.''The New Shorter Oxford E ...

, and a number of experiments in early town planning and house and factory design ** Spirella Building * Magic Roundabout (Hemel Hempstead) – a complex road junction *

Royston Cave Royston Cave is an artificial cave located in Katherine's Yard, Melbourn Street, Royston, England. It is located beneath the crossroads formed by Ermine Street and the Icknield Way. It is protected as both a scheduled ancient monument and Gra ...

– in

town centre *

Rye House Gatehouse Rye (''Secale cereale'') is a grass grown extensively as a grain, a cover crop and a forage crop. It is a member of the wheat tribe (Triticeae) and is closely related to both wheat (''Triticum'') and barley (genus ''Hordeum''). Rye grain is u ...

in Hoddesdon (part of the

Rye House Plot The Rye House Plot of 1683 was a plan to assassinate King Charles II of England and his brother (and heir to the throne) James, Duke of York. The royal party went from Westminster to Newmarket to see horse races and were expected to make the ...

to assassinate King Charles II) *

** Beech Bottom Dyke – large-scale

defensive or boundary ditch **

Sopwell Nunnery Sopwell Priory (also known as Sopwell Nunnery) was a Benedictine nunnery founded around 1140 on the site of an ancient hermitage in Sopwell, Hertfordshire, England. After the Dissolution, the priory was torn down and a Tudor manor house constructe ...

St Albans Cathedral St Albans Cathedral, officially the Cathedral and Abbey Church of St Alban but often referred to locally as "the Abbey", is a Church of England cathedral in St Albans, England. Much of its architecture dates from Norman times. It ceased to be ...

– Roman town remains, including museum of Roman life and the remains of a Roman amphitheatre *

Scott's Grotto Scott's Grotto in Ware, Hertfordshire, is a Grade I listed building and with six chambers the most extensive shell grotto in the United Kingdom. "It is, although on a small scale, far more complex than Alexander Pope's at Twickenham. Compared wi ...

, Ware * Shaw's Corner, Ayot St Lawrence – home of

George Bernard Shaw George Bernard Shaw (26 July 1856 – 2 November 1950), known at his insistence simply as Bernard Shaw, was an Irish playwright, critic, polemicist and political activist. His influence on Western theatre, culture and politics extended from ...

– the first UK

New Town New is an adjective referring to something recently made, discovered, or created. New or NEW may refer to: Music * New, singer of K-pop group The Boyz Albums and EPs * ''New'' (album), by Paul McCartney, 2013 * ''New'' (EP), by Regurgitator ...