Rwanda, officially the Republic of Rwanda, is a small, landlocked country situated in the Great Rift Valley of East Africa. It is bordered by Uganda to the north, the Democratic Republic of the Congo (DRC) to the west, Tanzania to the east, and Burundi to the south. Known for its high altitude and rolling hills, the country is often referred to as the 'Land of a Thousand Hills.' Its capital and largest city is Kigali, which serves as the nation's primary economic and administrative hub. The population is characterized by high density, making it one of the most densely populated mainland African nations.