Sarpang District is one of the 20 dzongkhags comprising Bhutan. Sarpang covers a total area of 1,946 km² and stretches from Lhamoizhingkha …Sarpang District is one of the 20 dzongkhags comprising Bhutan. Sarpang covers a total area of 1,946 km² and stretches from Lhamoizhingkha in West Bhutan to Manas National Park in the east. Sarpang Dzongkhag is divided into one dungkhag, Gelephu, and 12 gewogs.