It runs along the 22 Â north circle of latitude . It is sometimes referred to as the Bir Tawil Triangle , despite the area 's quadrilateral shape , with the longer side in the north of the area running along the 22 Â north circle of latitude . It is the only area where the administrative boundary of 1902 between the two countries runs south of the political boundary of 1899 , which had been defined as the 22 Â north circle of latitude .