Shahjadpur and Chauhali upazilas on the north, Goalandaghat, Rajbari Sadar upazilas and the ganges on the south, Chauhali, Daulatpur, Shivalaya upazilas and the jamuna on the east, Sujanagar and Santhia upazilas on the west.

Mathura thana was established in 1828 and was transferred to Bera in 1927 after it got submerged by river erosion. Bera thana was turned into an upazila in 1983. The upazila consists of one municipality, three wards, 10 union parishads, 188 mouzas and 157 villages.

Bera Upazila is located in Pabna District. Upazilla(s)/Thana(s) in Pabna are Atgharia Upazila, Bera Upazila, Bhangura Upazila, Chatmohar Upazila, Faridpur Upazila, Ishwardi Upazila, Pabna Sadar Upazila, Santhia Upazila, Sujanagar Upazila.