Burundi (burOOn'dē) [key], officially Republic of Burundi, republic (2005 est. pop. 6,371,000), 10,747 sq mi (27,834 sq km), E central Africa. It borders on Rwanda in the north, on Tanzania in the east, on Lake Tanganyika in the southwest, and on Congo (Kinshasa) in the west. Bujumbura is the capital and largest city; Gitega is the only other major town. Burundi is divided into 15 provinces.
