Sullah and Derai upazilas on the north, Habiganj Sadar and Lakhai upazilas on the south, Habiganj sadar and Nabiganj upazilas on the east, Ajmiriganj, Mithamain and Austagram upazilas on the west.

Baniachang thana, now an upazila, was established in 1790 and was turned into a sub-division of a district in 1934. It consists of 15 union parishads, 237 mouzas and 337 villages. The baniachang is the largest village of Asia.

Baniachang Upazila is located in Habiganj District. Upazilla(s)/Thana(s) in Habiganj are Ajmiriganj Upazila, Baniachang Upazila, Bahubal Upazila, Chunarughat Upazila, Habiganj Sadar Upazila, Lakhai Upazila, Madhabpur Upazila, Nabiganj Upazila.

Remnants of ancient Rajbari (1737-38) at Puranbagh, Bibir Dargah Mosque, Bikhangal Akhra.