Adrar (Berber: Adrar, ⴰⴷⵔⴰⵔ; Arabic: أدرار) is the administrative capital of Adrar Province, the second largest province in Algeria. The commune is sited around an oasis in the Touat region of the Sahara Desert. According to a 2008 census it has a population of 64,781, up from 43,903 in 1998, with an annual growth rate of 4.0%. Adrar is mainly an agricultural town, characterized by its traditional irrigation system, the Foggara.