Tshilenge District

As specified under Article 2 of the country's 2006 Constitution,[1] in 2015 the district was merged with the city of Mbuji-Mayi to form the new province Kasai Oriental.

Tshiluba is spoken by about 6.3 million people in the Kasai-Oriental and Kasai-Occidental provinces and the Lulua District.

Friction with Congo's other ethnic groups and encouragement by Belgian corporations hoping to keep their mining concessions led to the secession of the province of South Kasai as a separate state headed by Albert Kalonji.

The region in which Mbuji-Mayi is situated annually produces one-tenth in weight of the world's industrial diamonds, with mining managed by the Société Minière de Bakwanga.

The province consists of the following five territories: This Democratic Republic of the Congo location article is a stub.