– in Europe (green & dark grey)
– in the European Union (green)
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain (//), is a sovereign state located off the north-western coast of continental Europe. The country includes the island of Great Britain (a term sometimes loosely applied to the whole state), the north-eastern part of the island of Ireland, and many smaller islands. Northern Ireland is the only part of the UK that shares a land border with another state: the Republic of Ireland. Apart from this land border, the UK is surrounded by the Atlantic Ocean, with the North Sea in the east, the English Channel in the south and the Irish Sea in the west.
The Kingdom of Great Britain, was a sovereign state in north-west Europe that existed from 1 May 1707 to 31 December 1800. The state came into being with the union of the kingdoms of Scotland and England (which included Wales). With the Treaty of Union of 1706, ratified by the Acts of Union 1707, it was agreed to create a single, united kingdom, encompassing the whole of the island of Great Britain and its minor outlying islands. It did not include Ireland, which remained a separate realm under the newly created British crown. A single parliament and government, based at Westminster, controlled the new kingdom. The former kingdoms had shared the same monarch since James VI, King of Scots, became King of England in 1603 following the death of Queen Elizabeth I, bringing about a "Union of the Crowns".
On 1 January 1801, the kingdoms of Great Britain and Ireland merged to form the United Kingdom of Great Britain and Ireland. In 1922 the Irish Free State seceded from the United Kingdom, leading to the latter being renamed the United Kingdom of Great Britain and Northern Ireland.