Mastchoh District or Nohiya-i Mastchoh (, NohiyaâÂÂi Mastçoh/Nohijaji Mastcoh) is a district in Sughd Region, Tajikistan. It is located at the extreme north of the country, between Ghafurov district and the border with Uzbekistan. The district population is 128,400 (1 January 2020 est.) and its administrative capital is Buston.
The district has an area of about and is divided administratively into three towns and four jamoats. They are as follows: