Tsamdro covers an area of 19% of the total area of the Dzongkhag, which gives great potential for livestock rearing.
The Dzongkhag has around 13 lhakhangs and chortens Zabsel and Phulakha under Goenkhatoe Gewog, Chorten and Sebgi Goenpa lhakhang at Goenkhamae Gewog, Tashilhakhang, Throe lhakhang, Dung Goenpa lhakhang, Drophel Choling lhakhang, Yonzho lhakhang and Jangchuk Choling lhakhang at Laya Gewog and Bumpa lhakhang, Tshodzong lhakhang and Dzongridra lhakhang at Lunana Gewog.
Formally, Gasa was a dungkhag under Punakhadzongkhag and it was made a separate dzongkhag at the beginning of the 7 th plan in 1992.
It is bordered by PunakhaDzongkhag in the southeast, Thimphu in the southwest, Wandue in the east and the Tibetan region of China on the extreme north.
The Dzongkhag has around 13 lhakhangs and chortens Zabsel and Phulakha under Goenkhatoe Geog, Chorten and Sebgi Goenpa lhakhang at Goenkhamae Geog, Tashilhakhang, Throe lhakhang, Dung Goenpa lhakhang, Drophel Choling lhakhang, Yonzho lhakhang and Jangchuk Choling lhakhang at Laya Geog and Bumpa lhakhang, Tshodzong lhakhang and Dzongridra lhakhang at Lunana Geog.