Lubumbashi (formerly official names: (
French) and (
Dutch)) in the southeastern part of
Democratic Republic of the Congo, is the second-largest city in the country, after the capital
Kinshasa. Lubumbashi is the mining capital of the Democratic Republic of Congo, acting as a hub for many of the country's biggest mining companies. The copper-mining city serves as the capital of the relatively prosperous
Katanga Province, lying near the border with Zambia. Population estimates vary widely but average around 1.5 million.