the Uellé District covered the basin of the Uele River, the main tributary of the Ubangi, and extended along the north of the colony to the Lado Enclave on the Nile, leased from Britain. The Aruwimi District lay to the south of Uellé District along the Aruwimi River, formed where the Ituri River flowing west from the Lake Albert region meets the Nepoko River. The Aruwimi District had a long extension to the south of the Congo River along the west bank of the Lomami River. The remainder of the colony was covered by the huge Stanley Falls District, stretching south along the Congo into Katanga, bordered by the British and German possessions to the east of Lake Tanganyika and Lake Albert. The 1897 map does not show the Lualaba District formed from the southern part of Stanley Falls District. It shows the Lualaba Kassai District well to the west of the Lualaba River. Later changes On 15 July 1898 the Stanley Falls District officially became the Orientale Province, with Stanleyville as its headquarters. A 1907 report listed 14 districts, with Lualaba and Kasai combined in one district as in the 1897 map. The Free State was annexed by Belgium in 1908 as the Belgian Congo. At the time of annexation there were 15 districts in the Congo Free State: See also Districts of the Belgian Congo Districts of the Democratic Republic of the Congo References Sources