Gomostapur is an upazila of Nawabganj District in the Division of Rajshahi, Bangladesh. Unlike most of the district and Upazila of Bangladesh, Its headquarter is Rohanpur, a municipal town.

Chapainawabganj is located in the north-western part of Bangladesh. It is a part of the Rajshahi Division, and was formerly a sub-division of Malda district of Bengal Province. The north and west part of Chapai Nawabganj is bounded by Malda and Murshidabad districts of India, the east by Naogaon District, and south-east by Rajshahi District.