Flag of the Northern Territory
| Use | Civil and state flag | 
|---|---|
| Proportion | 1:2 | 
| Adopted | 1 July 1978 | 
| Design | A vertical 1:2 bicolour of black (charged with the Southern Cross) and ochre (charged with a stylised Sturt's Desert Rose) | 
The flag of the Northern Territory was officially adopted in 1978. The Northern Territory has existed as a territory of Australia since 1911, but did not adopt its own flag until it was granted self-government in 1978.