What is "ndola"

Ndola is the third largest city in Zambia, with a population of 455,194 (2010 census provisional). It is the industrial and commercial center of the Copperbelt, Zambia's copper-mining region, and capital of Copperbelt Province. It is also the commercial capital city of Zambia and has one of the three international airports, others being Livingstone and Lusaka. It lies just 10 km from the border with DR Congo.