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 Silk Roads — Rock Carvings Along the Karakoram Highway". Many of these carvings and inscriptions will be inundated and/or destroyed when the planned Basha-Diamir dam is built and the Karakoram Highway is widened. The climate of Gilgit-Baltistan varies from region to region, surrounding mountain ranges creates sharp variations in weather. The eastern part has the moist zone of the western Himalayas, but going toward Karakoram and Hindu Kush, the climate dries considerably. There are towns like Gilgit and Chilas that are very hot during the day in summer yet cold at night and valleys like Astore, Khaplu, Yasin, Hunza, and