Meghalaya State (India) on the north, Mohanganj and Barhatta upazilas on the south, Tahirpur and Jamalganj upazilas on the east, Kalmakanda and Barhatta upazilas on the west.

Dharmapasha thana was established in 1942 and was turned into an upazila in 1983. The upazila consists of 10 union parishads, 182 mouzas and 313 villages.

Dharmapasha Upazila is located in Sunamganj District. Upazilla(s)/Thana(s) in Sunamganj are Bishwamvarpur Upazila, Chhatak Upazila, Derai Upazila, Dharmapasha Upazila, Dowarabazar Upazila, Jagannathpur Upazila, Jamalganj Upazila, Sullah Upazila, Sunamganj Sadar Upazila, Tahirpur Upazila.

Selbarash Jami Mosque, Kahala and Maheshkhala Kalibari Mandirs.