All flags / Sudan Sudan Republic of the Sudan Capital Khartoum Largest city Khartoum (also the capital) About 1,974,647 people (GeoNames) Region AfricaNorthern Africa Proportions 1:2 Height to width. Also accepted Jumhūrīyat as-Sūdān Where it is Easy to mix up with Jordan Palestine How to tell: Jordan and Palestine have black, white and green bands with a red triangle, and only Jordan's has a white star; Sudan has red, white and black bands with a green triangle. Practise this flag All flags
