Kohistan (Urdu: کوہستان; "Land of Mountains"), also called Indus Kohistan (سندھُ کوہستان), was an administrative district within the Hazara region of Khyber Pakhtunkhwa Province in Pakistan that was bifurcated into Upper Kohistan and Lower Kohistan in 2014, and Kolai-Palas in 2017. It covered an area of 7,492 square kilometres (2,893 sq mi) and had a population of 472,570 at the 1998 Census. Geographically, Kohistan stretched from the border with Gilgit-Baltistan in the north, in the east by Mansehra District, in the south by Battagram District, and on the west by Shangla and Swat districts. From Wikipedia