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 follows the red clockwise. The arrangement has introduced a requirement to display the flag "the right way up"; see specifications for flag use, below. As with the red cross, so too the red saltire is separated by a white fimbriation from the blue field. This fimbriation is repeated for symmetry on the white portion of the saltire, which thereby appears wider than the red portion. The fimbriation of the cross of St George separates its red from the red of the saltire. Apart from the Union Jack, Saint Patrick's cross has seldom been used to represent Ireland, and with little