Original: 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.
Simplified: It runs along the 22 Â north circle of latitude.