Great Britain is the official name given to the two kingdoms of England and Scotland, and the principality of Wales. The United Kingdom (UK) includes these areas as well as Northern Ireland. Britain refers to only England and Wales, though some will shorten Great Britain with this term.
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 UK's form of government is a constitutional monarchy with a parliamentary system and its capital city is London. The United Kingdom consists of four countries: England, Scotland, Wales and Northern Ireland.