Narsingdi and Gazipur districts on the north, Munshiganj districts on the south, Brahmanbaria and Comilla districts on the east, Dhaka districts on the west.

Narayanganj subdivision was established in 1882 and was turned into a district in 1984. The district consists of five upazilas, 49 union parishads, 881 mouzas, 1374 villages, 2 municipalities, 12 wards and 115 mahallas.

Araihazar Upazila, Bandar Upazila, Narayanganj Sadar Upazila, Rupganj Upazila, Sonargaon Upazila