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
Balti language "Byaltae" from , which, in Tibetan, means "water gorge." The historian Ptolemy, also a general in the army of Alexander the Great, named the region "Byaltae" in his book. In fact, Baltistan is the Persian translation of "Baltiyul", "homeland of Balti." Balti people are settled on both banks of the Indus River from Kargil district in the east to Haramosh Peak in the west and from the Karakoram in the north to Deosai National Park in the south. The Balti ethnicity is primarily Tibetan in origin, with some Dardic admixture. Balti is a Tibetic language. In some rural areas, the