Bir Tawil

Bir Tawil,

unclaimed territory, c.795 sq mi (2,060 km), along the E Egypt-Sudan border W of the Halayeb Triangle. Its unclaimed status arose from the peculiarities the disputed border: Bir Tawil lies S of the border claimed by Egypt, and N of the border claimed by Sudan (see Halayeb TriangleHalayeb Triangle
or Hala'ib Triangle,
roughly triangular disputed territory, c.7,950 sq mi (20,590 sq km), along the Egypt-Sudan border, on the Red Sea coast. Claimed by Egypt and Sudan, and under the de facto control of Egypt, it is named for the town of Halayeb,
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). Small mountains in the territory include Jabal Tawil (1,507 ft/459 m) in the north and Jebel Hagar ez Zarqa (2,172 ft/662 m) in the east.