Kuchbihar district of west bengal (India) on the north, Rangpur district on the south, Lalmonirhat district on the east and Panchagarh and Dinajpur districts on the west.

The Nilphamari subdivision was established in 1875 and was turned into a district in 1984. The district consists of 6 upazilas, 3 municipalities, 33 wards, 65 mahallas, 62 union parishads, 390 mouzas and 370 villages.

Dimla Upazila, Domar Upazila, Jaldhaka Upazila, Kishoreganj Upazila, Nilphamari Sadar Upazila, Saidpur Upazila