Uvira is a city located in the South Kivu province of the eastern region of the Democratic Republic of the Congo. Situated in the Ruzizi Plain at a low altitude, it lies geographically between Burundi's Congo-Nile ridge and the Mitumba mountains.
The city covers approximately 207 square kilometers and has an estimated population of 726,000 as of 2024. It is bordered by the Bafuliru Chiefdom and Ruzizi Plain Chiefdom to the north, Bavira Chiefdom to the south, and Lake Tanganyika and the Ruzizi River to the east. These water bodies serve as natural boundaries between the Democratic Republic of the Congo and Burundi.