Kinshasa, formerly named Léopoldville from 1881 to 1966, is the capital and largest city of the Democratic Republic of the Congo. Kinshasa is one of the world's fastest-growing megacities, with an estimated population of 18.5 million in 2026. It is the most densely populated city in the DRC, the third-most populous city and third-largest metropolitan area in Africa, the world's seventh-most populous city proper and fourth-most populous capital city. It is the leading economic, political, and cultural center of the DRC, housing several industries including manufacturing, telecommunications, banking, and entertainment. The city also hosts some of the DRC's significant institutional buildings, such as the People's Palace, Palace of the Nation, Constitutional Court, Court of Cassation, Council of State, African Union City, Marble Palace, Government House, Kinshasa Financial Center, and other national departments and agencies.