Great Britain, island lying to the east of the island of Ireland and off the northwestern coast of Europe. It consists of England, Scotland, and Wales. Great Britain is part of the British Isles, together with the island of Ireland as well as smaller islands and island groups.
The term Great Britain, which this article uses as a geographic designation, is often used as a synonym for the United Kingdom, a political entity that includes England, Northern Ireland, Scotland, and Wales and that was once part of the British Empire.