It roughly corresponded in area to the present North Kivu province.

[2] Kivu District became part of the Orientale Province created in 1913.

The boundaries of Maniema and Kivu had been adjusted, and these two districts made up Costermansville Province.

[4] By 1954 it consisted of the districts of Sud-Kivu, Nord-Kivu and Maniema.

[6] The area was 62,000 square kilometres (24,000 sq mi) out of a total of 259,000 square kilometres (100,000 sq mi) for Kivu province as a whole.