The flag of the United Kingdom, known as the Union Jack, is made up of three crosses. The big red cross is the cross of Saint George, the patron saint of England. The white cross is the cross of Saint Andrew, the patron saint of Scotland. The red diagonal cross is the cross of Saint Patrick, the patron saint of Ireland.
The United Kingdom of Great Britain and Northern Ireland is situated on the British Isles. They lie to the north-west of Europe. The British Isles are separated from the continent by the narrow strait of water which is called the English Channel.