Mauritania is divided in 12 regions (regions, singular - region) and 1 capital district*; Adrar, Assaba, Brakna, Dakhlet Nouadhibou, Gorgol, Guidimaka, Hodh Ech Chargui, Hodh El Gharbi, Inchiri, Nouakchott*, Tagant, Tiris Zemmour, Trarza