The city is located within the Sahara Desert in northern-central Algeria. Ghardaïa Province is divided into 13 communes or municipalities, which includes the Ghardaïa municipality. It is bordered by Ouargla and El Bayadh Wilayas. It is nestled in the M'zab valley, lying on the left bank of the Wadi Mzab, which is commonly dry throughout the year. The commune of Ghardaïa now covers an area of and includes a number of suburbs, towns and villages in addition to Ghardaïa. Suburb settlements include Mélika, Béni Isguen, Bounoura (Has Bunur) and El Atteuf (Tadjnint), all of which lie to the southeast of Ghardaïa city and the ancient ksar of Metlili-Chaamba or Metlili which lies to the southwest. Outside of the Mzab valley, Berriane (Has Ibergane) and El Guerrara (Iguerraren) are towns of note, the first to the north, and the second to the northeast.
