Tagant is a region in south-central Mauritania named for the Tagant plateau. Its capital is Tidjikdja. Other major cities/towns include Tichit and Rachid, Nbeika. The region borders the Mauritanian region of Adrar to the north, the Mauritanian region of Hodh Ech Chargui to the east, the Mauritanian regions of Hodh El Gharbi and Assaba to the south and the Mauritanian region of Brakna to the west.