Be the first person to write an overview of "United Kingdom Flag".
The Union Flag, commonly called the Union Jack,[1] is the flag of the United Kingdom,[2] as well as a flag with an official or semi-official status in some Commonwealth realms; for example, it is known by law in Canada as the Royal Union Flag.[3] It is also 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 were former British colonies.