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 Gilgit–Baltistan the 19th-highest mountain in the world. Main rivers in the Gilgit District are: There are many tributaries of the aforementioned rivers, some of which are the Ghujerab River, the Shimshal River, the Hispar River, and the Naltar River. The capital of the Skardu District is Skardu town. Skardu was part of Ladakh before the partition of Kashmir in 1948. The Baltoro Muztagh, the subrange of the Karakoram that includes the mighty peaks of K2 (8,611 m), Broad Peak (8,047 m), the Gasherbrums (8,000+ meters) and Masherbrum (7,821 m), is included in the Skardu District. Askole is the last settlement in