England–Wales border in the context of "River Dee, Wales"

England is a country that is part of the United Kingdom. It is located on the island of Great Britain, of which it covers about 62%, and more than 100 smaller adjacent islands. England shares a land border with Scotland to the north and another land border with Wales to the west, and is otherwise surrounded by the North Sea to the east, the English Channel to the south, the Celtic Sea to the south-west, and the Irish Sea to the west. Continental Europe lies to the south-east, and Ireland to the west. At the 2021 census, the population was 56,490,048. London is both the largest city and the capital.

The area now called England was first inhabited by modern humans during the Upper Paleolithic. It takes its name from the Angles, a Germanic tribe who settled during the 5th and 6th centuries. England became a unified state in the 10th century and has had extensive cultural and legal impact on the wider world since the Age of Discovery, which began during the 15th century. The Kingdom of England, which included Wales after 1535, ceased to be a separate sovereign state on 1 May 1707, when the Acts of Union brought into effect a political union with the Kingdom of Scotland that created the Kingdom of Great Britain.

Wales (Welsh: Cymru [ˈkəmrɨ] ) is a country that is part of the United Kingdom. Located on the island of Great Britain, it is bordered by the Irish Sea to the north and west, England to the east, the Bristol Channel to the south, and the Celtic Sea to the south-west. As of 2021, it had a population of 3.2 million. It has a total area of 21,218 square kilometres (8,192 sq mi) and over 2,700 kilometres (1,680 mi) of coastline. It is largely mountainous with its higher peaks in the north and central areas, including Snowdon (Yr Wyddfa), its highest summit. The country lies within the north temperate zone and has a changeable, maritime climate. Its capital and largest city is Cardiff.

A distinct Welsh culture emerged among the Celtic Britons after the Roman withdrawal from Britain in the 5th century, and Wales was briefly united under Gruffudd ap Llywelyn in 1055. After over 200 years of war, the conquest of Wales was completed by King Edward I of England in 1283, though Owain Glyndŵr led the Welsh Revolt against English rule in the early 15th century, and briefly re-established an independent Welsh state with its own national parliament (Welsh: senedd). In the 16th century the whole of Wales was annexed by England and incorporated within the English legal system under the Laws in Wales Acts 1535 and 1542. Distinctive Welsh politics developed in the 19th century. Welsh Liberalism, exemplified in the late 19th and early 20th century by David Lloyd George, was displaced by the growth of socialism and the Labour Party. Welsh national feeling grew over the century: a nationalist party, Plaid Cymru, was formed in 1925, and the Welsh Language Society in 1962. A governing system of Welsh devolution is employed in Wales, of which the most major step was the formation of the Senedd (Welsh Parliament, formerly the National Assembly for Wales) in 1998, responsible for a range of devolved policy matters.

Northern England, or the North of England, often referred to as simply The North, is the northern part of England and mainly corresponds to the historic counties of Cheshire, Cumberland, Durham, Lancashire, Northumberland, Westmorland and Yorkshire. Officially, it is a grouping of three statistical regions: the North East, the North West, and Yorkshire and the Humber, which had a combined population of 15.5 million at the 2021 census, an area of 37,331 km (14,414 square miles) and 17 cities.

Northern England is culturally and economically distinct from both the Midlands and Southern England. The area's northern boundary is the border with Scotland, its western the Irish Sea and a short border with Wales, and its eastern the North Sea. Its southern border is often debated, and there has been controversy in defining what geographies or cultures precisely constitute the 'North of England' — if, indeed, it exists as a coherent entity at all.

Offa's Dyke (Welsh: Clawdd Offa) is a large linear earthwork that roughly follows the border between England and Wales. The structure is named after Offa, the Anglo-Saxon king of Mercia from 757 to 796, who is traditionally believed to have ordered its construction, although modern archaeological evidence shows far earlier origins and its original purpose is debated.

It delineated the border between Anglian Mercia and the Welsh kingdoms (such as Powys) by the time of its completion, but when begun (carbon-dated to 430AD) it separated the Brytons of the Decangi, Cornovi and Dobunni from the Western Ordovices, Demetae and Silures.

Shropshire (/ˈʃrɒpʃər, -ʃɪər/; abbreviated Salop) is a ceremonial county in the West Midlands of England, on the border with Wales. It is bordered by Cheshire to the north-east, Staffordshire to the east, Worcestershire to the south-east, Herefordshire to the south, and the Welsh principal areas of Powys and Wrexham to the west and north-west respectively. The largest settlement is Telford, while Shrewsbury is the county town.

The county has an area of 3,487 km (1,346 square miles) and a population of 498,073. Telford in the east and Shrewsbury in the centre are the largest towns. Shropshire is otherwise rural, and contains market towns such as Oswestry in the north-west, Market Drayton in the north-east, Bridgnorth in the south-east, and Ludlow in the south. For local government purposes the county comprises the unitary authority areas of Shropshire and Telford and Wrekin. The county historically had a large exclave around Halesowen and Oldbury, which are now in the West Midlands county.

Chester is a cathedral city in Cheshire, England, on the River Dee, close to the England–Wales border. With a built-up area population of 92,760 in 2021, it is the most populous settlement in the borough of Cheshire West and Chester. It is also the historic county town of Cheshire and the second-largest settlement in Cheshire after Warrington.

Chester was founded in 79 AD as a "castrum" or Roman fort with the name Deva Victrix during the reign of Emperor Vespasian. One of the main army camps in Roman Britain, Deva later became a major civilian settlement. In 689, King Æthelred of Mercia founded the Minster Church of West Mercia, which later became Chester's first cathedral, and the Angles extended and strengthened the walls to protect the city against the Danes. Chester was one of the last cities in England to fall to the Normans, and William the Conqueror ordered the construction of a castle to dominate the town and the nearby Welsh border. Chester was granted city status in 1541.

Southern England, also known as the South of England or the South, is a sub-national part of England. Officially, it is made up of the southern, south-western and part of the eastern parts of England, consisting of the statistical regions of London, the South East, the South West and the East. The region also shares a border with Wales to the far North West. Altogether, it forms a population of nearly 28 million and an area of 62,042 square kilometres (23,955 sq mi).

Southern England has cultural, economic and political differences from both the Midlands (which borders it to its north) and the North of England; the Midlands form a dialect chain in a notable north–south divide of England. The South is generally considered wealthier and more politically influential than the North. Within the South itself, multiple influences shape geographic and political divisions, defined by closeness to the capital; Greater London itself, its surrounding Home Counties and outer areas, as well as East Anglia and the West Country. Greater London is by far the most populous county in Southern England, followed by Hampshire, Kent and Essex. On the other hand, Bristol is the largest city in the South excluding London.

Monmouthshire (/ˈmɒnməθʃər, ˈmʌn-, -ʃɪər/ MON-məth-shər, MUN-, -⁠sheer), also formerly known as the County of Monmouth (/ˈmɒnməθ, ˈmʌn-/ MON-məth, MUN-; Welsh: Sir Fynwy), was one of the thirteen counties of Wales that existed from 1536 until their abolition in 1974. Located in the south-east of Wales, on the border with England, its area now corresponds approximately to the present principal areas of Monmouthshire, Blaenau Gwent, Newport and Torfaen, and those parts of Caerphilly and Cardiff east of the Rhymney River.

The eastern part of the county was mainly agricultural, while the western valleys had rich mineral resources. This led to the area becoming highly industrialised with coal mining and iron working being major employers from the 18th century to the late 20th century. Its five largest towns were Newport, Cwmbran, Pontypool, Ebbw Vale and Abergavenny.

Wrexham County Borough (Welsh: Bwrdeistref Sirol Wrecsam) is a county borough, with city status, in the north-east of Wales. It borders the English ceremonial counties of Cheshire and Shropshire to the east and south-east respectively along the England–Wales border, Powys to the south-west, Denbighshire to the west and Flintshire to the north-west. The city of Wrexham is the administrative centre. The county borough is part of the preserved county of Clwyd.

The county borough has an area of 193 square miles (500 km) and a population of 136,055. The north of the county borough is relatively urbanised and centred on Wrexham, with a population of 44,785, its industrial estate and several outlying villages, such as Brynteg and Gwersyllt. To the north east is the border village of Holt, while to the south of Wrexham, Rhosllanerchrugog, Ruabon, Acrefair and Cefn Mawr are the main urban villages. Further south again is the town of Chirk, near the border with Shropshire, while the Ceiriog Valley to the south-east and English Maelor to the south-west of the county borough are rural. The county borough was historically split between Denbighshire and Flintshire, with it all later being part of the county of Clwyd.