Geography of Gilgit–Baltistan in the south and southwest (separated by the Babusar Pass or Babusar Top), the Ghizar District in the north and northwest, and the Gilgit District in the north and northeast. The valleys of Darel-Tangir, which are currently part of Gilgit-Baltistan, were formerly part of Pakistan. District Diamer is divided into two sub-divisions: one is Chilas and the other one is Darel/Tangir. Village Juglote is headquarters of sub-division Darel/Tangir while Chilas is the headquarters of other sub-division and also headquarters of district Diamer. Before the Karakoram Highway was opened in 1978, the only road to Gilgit town from the south was
Karakoram them exceeding : K2, the second highest peak in the world at , Gasherbrum I, Broad Peak and Gasherbrum II. The range is about in length, and is the most heavily glaciated part of the world outside the polar regions. The Siachen Glacier at and the Biafo Glacier at rank as the world's second and third longest glaciers outside the polar regions. The Karakoram is bounded on the east by the Aksai Chin plateau, on the northeast by the edge of the Tibetan Plateau, and on the north by the river valleys of the Yarkand and Karakash rivers beyond which