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
Gilgit-Baltistan Highway (KKH), which was completed in 1978. The Karakoram Highway connects Islamabad to Gilgit and Skardu, which are the two major hubs for mountaineering expeditions in Gilgit-Baltistan. The journey from Rawalpindi/Islamabad to Gilgit takes approximately 20 to 24 hours. Landslides on the Karakoram Highway are very common. The Karakoram Highway connects Gilgit to Tashkurgan Town, Kashgar, China via Sust, the customs and health-inspection post on the Gilgit-Baltistan side, and the Khunjerab Pass, the highest paved international border crossing in the world at . Northern Areas Transport Corporation (NATCO) offers bus and jeep transport service to the two hubs and several