Lusaka is
the capital and largest city of Zambia. One of the fastest-developing cities in
Southern Africa, Lusaka is located in the southern part of the central plateau
at an elevation of about 1,300 metres (4,265 feet). As of 2010, the city's
population is about 1.7 million. Lusaka is the centre of both commerce and
government in Zambia and connects to the country's four main highways heading
north, south, east and west. English is the official language of the city, but
Nyanja, and Bemba are also common