基法（Kiffa）位于毛里塔尼亚南部，是阿萨巴省的首府。

Kiffa is a large town in the far south of Mauritania, and the name of an administrative area within the local Assaba Region. Kiffa is located at 16°38′N 11°24′W / 16.63°N 11.4°W / 16.63; -11.4, some 370 miles from the coast and at the western end of the Aoukar sand sea of southern Mauritania.