Union Jack Union Jack The Union Jack, or Union Flag, is the national flag of the United Kingdom. The flag also has an official or semi-official status in some other Commonwealth realms: for example, it is a ceremonial flag in Canada by parliamentary resolution, and known there as the Royal Union Flag. Further, it is used as an official flag in some of the smaller British overseas territories. The Union Flag also appears in the canton (upper left-hand quarter) of the flags of several nations and territories that are former British possessions or dominions, as well as the state flag of Hawaii.
Union Jack red cross of St George for the Kingdom of England, the white saltire of St Andrew for Scotland (which two were united in the first Union Flag), and the red saltire of St Patrick to represent Ireland. Notably, the home country of Wales is not represented separately in the Union Flag, as the flag was designed after the invasion of Wales in 1282. Hence Wales as a home country today has no representation on the flag; it appears under the cross of St George, which represents the former Kingdom of England (which included Wales). The terms "Union Jack" and "Union