Porsha upazila on the north, Tanore and Nachole upazilas on the south, Manda and Mahadevpur upazilas on the east, Gomastapur and Nachole upazilas on the west.

Niamatpur thana, now an upazila, was established in 1918. It consists of 8 union parishads, 317 mouzas, 335 villages.

Niamatpur Upazila is located in Naogaon District. Upazilla(s)/Thana(s) in Naogaon are Atrai Upazila, Badalgachhi Upazila, Dhamoirhat Upazila, Mahadevpur Upazila, Manda Upazila, Naogaon Sadar Upazila, Niamatpur Upazila, Patnitala Upazila, Porsha Upazila, Raninagar Upazila, Sapahar Upazila.