United Kingdom of Great Britain and Northern Ireland is comprised of the island of Great Britain, the north-eastern part of Ireland, and most of the smaller islands within the British Isles.
It is surrounded by the Atlantic Ocean, the North Sea, the English Channel, the Celtic Sea, and the Irish Sea.
It has a population of 67.6 million people, and covers 245,00 sq km.
The UK has the world's sixth-largest economy, and the ninth-largest by purchasing power parity. It is a recognised nuclear state and is ranked fourth globally in military expenditure.