Lubumbashi is a city in the southern part of the Democratic Republic of Congo. It is a major commercial and industrial center and also an important transportation hub. If you are looking to describe Lubumbashi or refer to it using synonyms, you could use the terms "Elizabethville", "Luluabourg", or "Jadotville" as these were previously used names for the city. Another possible synonym could be "the copper belt" as Lubumbashi lies in the heart of the African copper belt and is known for its rich natural resources of copper and cobalt.