The red castle with a golden key represents the fortress of Gibraltar and its strategic key to the Mediterranean. The white field reflects peace and neutrality in heraldic tradition. The design derives from the coat of arms granted to the city by Ferdinand and Isabella in 1502.
History
The flag dates to Gibraltar's coat of arms granted in 1502 and was adapted as a white flag bearing the arms. It was formally established as the territory's flag in the 20th century and remains unchanged under British sovereignty.
Construction
A 1:2 ratio white field with a red castle and golden key centered.
Color Meanings
red: The fortress and British sovereignty since 1704