Gilgit-Baltistan through the region has been proposed; see Khunjerab Railway for details. At the last census (1998), the population of Gilgit-Baltistan was 870,347. Approximately 14% of the population was urban. The estimated population of Gilgit-Baltistan in 2013 was over 2 million. The population of Gilgit-Baltistan consists of many diverse linguistic, ethnic, and religious sects, due in part to the many isolated valleys separated by some of the world's highest mountains. The ethnic groups include Shins, Yashkuns, Kashmiris, Kashgaris, Pamiris, Pathans, and Kohistanis. A significant number of people from Gilgit-Baltistan are residing in other parts of Pakistan, mainly in Punjab and Karachi.
Geography of Ladakh capital of Ladakh while Leh was the summer capital. People of Baltistan and Ladakh speak very similar languages closely related to Tibetan. Geography of Ladakh Ladakh is the highest altitude plateau region in India (much of it being over 3,000 m), incorporating parts of the Himalayan and Karakoram mountain ranges and the upper Indus River valley. The mountain ranges in this region were formed over a period of 45 million years by the folding of the Indian Plate into the stationary landmass of Asia. While the Himalayas were formed from the base material of the Indian plate, the Zanskar Range