Tendruk Gewog, located in the northwest of Samtse Dzongkhag, covers an area of 132.52 km². It is bordered by Norgaygang Gewog to the northwest, Namgaychholing Gewog to the east, Haa Dzongkhag to the north, and the Indian state of West Bengal to the southwest. The gewog falls in a sub-tropical zone, experiencing warm summers, cold winters, and occasional snowfall in the northern regions. Annual rainfall ranges from 1200mm to 3000mm. The soil types include brown, sandy, and clayey loam. The gewog consists of five chiwogs: Miglamthang-Thagpzosa, Dawathang-Kuengaling, Khengtong-Targothang, Kachhen-Kuchhen, and Nyimalung-Tendruk.