Upper Senegal and Niger

Upper Senegal and Niger (French: Haut Sénégal et Niger) was a colony in French West Africa, created on 21 October 1904 from colonial Senegambia and Niger by the decree "For the Reorganisation of the general government of French West Africa". It was split into French Upper Volta and French Sudan in 1920 and 1921.

At its creation, the "Colony of Upper Senegal and Niger" contained the old territories of Upper Senegal, the Middle Niger, and three military territories in Niger. The colonial region covered 300,000 square miles (780,000 km) and the military region of Niger covered a further 50,000 square miles (130,000 km). Its capital was Bamako.