The Democratic Republic of the Congo is a country in Central Africa. By land area, the DRC is the second-largest country in Africa and the 11th-largest in the world. With a population of around 105 million, the Democratic Republic of the Congo is the most populous Francophone country in the world, and the fourth-largest in Africa. The national capital and largest city is Kinshasa, which is also the economic center. The country is bordered by the Republic of the Congo, Central African Republic, South Sudan, Uganda, Rwanda, Burundi, Tanzania, Zambia, Angola, the Cabinda exclave of Angola, and the South Atlantic Ocean.

Burundi, officially the Republic of Burundi, is a landlocked country in the Great Rift Valley at the junction between the African Great Lakes region and East Africa. It is bordered by Rwanda to the north, Tanzania to the east and southeast, and the Democratic Republic of the Congo to the west; Lake Tanganyika lies along its southwestern border. The capital cities are Gitega and Bujumbura, the latter being the country's largest city.