Britain is an island in the North Atlantic, off the coast of western Europe.  The island contains the nations of England, Wales, and Scotland.  The three nations together form a political entity, Great Britain. 

• Britain or Great Britain means England, Wales and Scotland.
• The United Kingdom means England, Wales, Scotland and Northern Ireland.
• The inhabitants of the UK and Britain are called British – or specifically their country of origin (ie English, Welsh, Scottish, or Northern Irish).