Lubumbashi is the second-largest city in the Democratic Republic of the Congo, located in the country's southeasternmost part, along the border with Zambia. The capital and principal city of the Haut-Katanga Province, Lubumbashi is the center of mining in the region, acting as a hub for many of the country's largest mining companies. No definite population figures are available, but the population of the city's urban area is estimated to be around 2,584,000 in 2021.

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.