Flag of Tonga

The flag of Tonga consists of a red field with a white canton charged with a red couped cross. Adopted in 1875 after being officially enshrined into the nation's constitution, it has been the flag of the Kingdom of Tonga since that year. The constitution stipulates that the national flag can never be changed.

UseCivil and state flag, civil and state ensign
Adopted4 November 1875
DesignA red field with the white rectangle on the upper hoist-side corner bearing the red Greek Cross in the centre.
Variant flag of Tonga
NameNaval Ensign of Tonga
UseNaval ensign
Variant flag of Tonga
NameRoyal Standard of Tonga
UseRoyal standard
Tonga flags flying above a ceremonial gate to celebrate the coronation of Tupou VI