Rwanda, officially the Republic of Rwanda, is a landlocked country in the Great Rift Valley of Central Africa, where the African Great Lakes region and Southeast Africa converge. Located a few degrees south of the Equator, Rwanda is bordered by Uganda, Tanzania, Burundi, and the Democratic Republic of the Congo. It is highly elevated, giving it the soubriquet "land of a thousand hills", with its geography dominated by mountains in the west and savanna to the southeast, with numerous lakes throughout the country. The climate is temperate to subtropical, with two rainy seasons and two dry seasons each year. It is the most densely populated mainland African country; among countries larger than 10,000 km2, it is the fifth most densely populated country in the world. Its capital and largest city is Kigali.

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.