Gomostapur Upazila is divided into Gomostapur Municipality and eight union parishads: Alinagar, Bhangabari, Boalia, Chowdala, Gomostapur, Parbotipur, Radhanagar, and Rahanpur.
The Gomostapur Upazila is made up of the Gomostapur Municipality and eight local councils: Alinagar, Bhangabari, Boalia, Chowdala, Gomostapur, Parbotipur, Radhanagar, and Rahanpur.