Ghardaïa, chief town of the Mʾzab Oasis, north-central Algeria. It lies along the left bank of the Wadi Mzab in the northern Sahara (desert). Founded in the 11th century, it was built around the cave (ghār) reputedly inhabited by the female saint Daïa (the cave is still venerated by Mʾzabite women).
Ghardaïa (Arabic: غرداية , Mzab-Berber: Taɣerdayt) is the capital city of Ghardaïa Province, Algeria. The commune of Ghardaïa has a population of 93,423 according to the 2008 census, up from 87,599 in 1998, with an annual growth rate of 0.7%.