Republic of the Congo or Congo-Brazzaville, republic in west central Africa, bounded on the north by Cameroon and the Central African Republic, on the east and south by the Democratic Republic of the Congo (DRC, formerly Zaire), on the southwest by Angola (Cabinda enclave) and the Atlantic Ocean, and on the west by Gabon. Formerly called People’s Republic of the Congo, the republic has an area of 342,000 sq km (132,000 sq mi). Brazzaville is the capital and largest city.