Lusaka is the caipital an lairgest ceety o Zambie. It is locatit in the soothren pairt o the central plateau, at an elevation o 1279 m. It haes a population o 3,100,000 (2007 estimate). It is a commercial centre as well as the centre o govrenment, an the fower main hieways o Zambie heids north, sooth, east an wast frae it. The twa main leids spoken in Lusaka are Inglis an Nyanja.