Ghardaia

Ghardaïa (Arabic: ولاية غرداية ) is a town and wilaya in eastern Algeria, the city being the capital of the wilaya. The city has a population of 110,724 (1998 census).

It is the traditional heart of the M'zab valley, home of the Ibadi Muslim sect in Algeria, and has preserved its original medieval architecture remarkably well; the valley of which it forms a part is an official World Heritage Site.