Dasu or Dassu (Abasin Kohistani, Urdu and Pashto: داسو) is the district headquarters of Upper Kohistan District, Khyber Pakhtunkhwa, Pakistan. It had 15 Union Councils before the separation of the Kandia valley. Since its being named as Tehsil, the Dasu subdivision has 11 Union Councils. The total population of Dasu according to 1998 Census was 137,519, in 21,487 households. From Wikipedia
