UK Flag - Union Jack Official Design and Symbolism #2245512 (License: Personal Use)

The Union Jack is the national flag of the United Kingdom, formed by superimposing the red cross of St George (England), the white saltire of St Andrew (Scotland), and the red saltire of St Patrick (Ireland). Its distinctive red, white, and blue design has remained unchanged since 1801, symbolizing the political union of the constituent countries. The flag is used on government buildings, military installations, and during national celebrations worldwide.

This image is commonly used on governmental, educational, and travel websites to represent the UK; it serves users seeking information about British identity, history, or protocol for flag usage.