The United Kingdom is the United Kingdom of Great Britain and Northern Ireland. The national flag of the United Kingdom of Great Britain and Northern Ireland is abbreviated as Mite flag, which is composed of the national flags of England (red cross flag on white background), Scotland (white cross flag on blue background) and Ireland (red cross flag on white background). The red cross on the white side of the current national flag represents St. George, St. Andrew and St. Patrick. The British flag, commonly known as the "British flag", is officially called the "British flag" and is usually called the "British flag". Jack is a naval term, which refers to the flag hung on the bow of a ship. United flag means "United flag". The cross on the British flag represents St. George, St. Andrew of England and St. Patrick of Ireland.