bir tawil or bi'r tawīl (بيرطويل in arabic; bi'r or بير, meaning water well), is a small, , area. it is along the border between egypt and sudan. it is claimed by neither country right now. it is sometimes given the name the bir tawil triangle, because even though it's not an exact triangle, it's made out of two triangles that share a border. the longer side is in the north of the area. it runs along the 22° north circle of latitude.