Mastuj Tehsil
| Mastuj Tehsil تحصیل مستوج | |
|---|---|
| Coordinates: 36°17′0″N 72°31′0″E / 36.28333°N 72.51667°E | |
| Country | Pakistan | 
| Province | Khyber Pakhtunkhwa | 
| District | Chitral | 
| Headquarter | Buni | 
| Government | |
| • Type | MPA | 
| • Chairman | Sardar Hakeem Khan | 
| Elevation | 2,359 m (7,740 ft) | 
| Population  (2017) | |
|  • Total | 169,240 | 
| Time zone | UTC+5 (PST) | 
| Postal Index Number | 1710 - 0xx | 
| Website | www | 
Mastuj (Urdu: مستوج) is a tehsil and a valley in Upper Chitral District in Khyber Pakhtunkhwa province of Pakistan. Mastuj is the principal settlement. It is located at 36°17'0N 72°31'0E with an altitude of 2359 metres (7742 feet). There are ruins of old fort built originally in 18th century and reconstructed several times.