Dowarabazar upazila on the north, Jagannathpur upazila on the south, Companiganj, Sylhet Sadar, and Bishwanath upazilas on the east, Sunamganj Sadar upazila on the west.

Chhatak Police outpost was established in 1908 and it was upgraded to a thana in 1922. The thana was turned into an upazila in 1985. The upazila consists of one municipality, 23 union parishads, 311 mouzas and 530 villages.

Chhatak 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.

Bagbari Tila.