Tangail Sadar and Basail upazilas, Nagarpur upazila on the south, Mirzapur upazila on the east, Nagarpur upazila and Tangail sadar upazilas on the west.

Delduar thana, now an upazila, was established in 1981. It consists of eight union parishads, 129 mouzas, 166 villages.

Delduar Upazila is located in Tangail District. Upazilla(s)/Thana(s) in Tangail are Basail Upazila, Bhuapur Upazila, Delduar Upazila, Ghatail Upazila, Gopalpur Upazila, Kalihati Upazila, Madhupur Upazila, Mirzapur Upazila, Nagarpur Upazila, Sakhipur Upazila, Tangail Sadar Upazila.

atiya mosque (eighteenth century).