Uvira is a city in Sud-Kivu Province, Democratic Republic of Congo, located at the extreme north end of Lake Tanganyika. There is a lake port called Kalundu at the southern end of the town, which provides links by boat to Kalemie, Kigoma in Tanzania, Pulungu in Zambia and Bujumbura, the capital of Burundi.
The town is linked by road to Bukavu and Bujumbura. The town is 120 km from the city of Bukavu, the capital of Sud-Kivu, 60 km from the territory of Fizi. Uvira is a Roman-Catholic diocese, a suffragan of the archdiocese of Bukavu.