UK Flag - Union Jack Official Design and Symbolism #1645850 (License: Personal Use)

The Union Jack features a layered design of the red cross of St George (England), the white saltire of St Andrew (Scotland), and the red saltire of St Patrick (Ireland), all set against a navy blue field. First adopted in 1801 after the Acts of Union with Ireland, it remains one of the world’s most recognizable flags. Its proportions are typically 1:2, and it is used officially by government institutions, military forces, and at diplomatic missions worldwide.

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