The official name of Britain is the United Kingdom of Great Britain and Northern Ireland. The UK is one of the smallest countries in the world. It occupies the British Isles. The total area of the country is 244 thousand sq km.
The flag of the United Kingdom of Britain and Northern Ireland is called the Union Jack. It is because King James 1 of England united England and Scotland. The Union Jack is a combination of the crosses of the three patron saints of the country