Gilgit is the capital city of the Northern Areas, Pakistan. Its ancient name was Sargin, later to be known as Gilit, and it is still called Gilit or Sargin-Gilit by local people. In the Burushaski language, it is named Geelt. The region is significantly mountainous, lying on the foothills of the Karakoram mountains, and has an average altitude of 1,500 metres (4,900 ft). It is drained by the Indus River, which rises in the neighbouring regions of Ladakh and Baltistan.