United Kingdom

Union Flag or Union Jack

Flag Type:  National Flag
Flag Date:  1st January 1801
Flag Designer:  College of Arms
Adoption Route:  Act of Parliament
UK Design Code:  UNKG0001
Aspect Ratio:  3:5 or 1:2
Pantone® Colours:  Blue 280, White, Red 186
Certification:  King George III

The United Kingdom Flag is the national flag of the United Kingdom of Great Britain and Northern Ireland, formerly the United Kingdom of Great Britain and Ireland, created by the Act of Union (1801). The flag is 3:5 on land and 1:2 at sea. The thicker white diagonal should fly uppermost next to the flagpole.

If you want to buy this flag, please contact a Flag Institute Registered British Flagmaker or Trade Member.