Mbuji-Mayi is a city and the capital of Kasai-Oriental Province in the south-central Democratic Republic of Congo. It is the second largest city in the country, following the capital Kinshasa but ahead of Lubumbashi, Kisangani and Kananga, though the exact population is not known. Estimates ranged from a 2010 CIA World Factbook estimated population of 1,480,000 to as many as 3,500,000 estimated by the United Nations in 2008.
