Union Jack Flag - Official UK National Flag | High-Resolution Image #1645847 (License: Personal Use)

The Union Jack features a layered design: the red cross of St George (England) edged in white, superimposed on the white diagonal cross of St Andrew (Scotland), with the red diagonal cross of St Patrick (Ireland) overlaid. Its proportions are 1:2, and it is used officially across government, military, and diplomatic contexts. The flag has remained unchanged since 1801, following the Act of Union with Ireland.

This image is commonly used on governmental websites, educational resources, travel guides, and news articles about the UK. It serves users seeking visual identification, historical context, or official representation of British identity and sovereignty.