Lusambo is the capital city of Sankuru province, Democratic Republic of the Congo. The town lies north of the confluence of the Sankuru River and the Lubi River. Lusambo is served by Lusambo Airport. In 1890 Lusambo was chosen by Paul Le Marinel as the main Belgian base in the Kasai region to defend against the Arab or Swahili traders in slaves and ivo…Lusambo is the capital city of Sankuru province, Democratic Republic of the Congo. The town lies north of the confluence of the Sankuru River and the Lubi River. Lusambo is served by Lusambo Airport. In 1890 Lusambo was chosen by Paul Le Marinel as the main Belgian base in the Kasai region to defend against the Arab or Swahili traders in slaves and ivory who came from the east. The station would soon become one of the most important military posts of the Congo Free State with a permanent staff of seventeen whites, six hundred native soldiers and four artillery pieces.