Jhalokati Sadar and Kawkhali (Pirojpur) upazilas on the north, Bhandaria, Kathalia and Betagi upazilas on the south, Nalchity and Bakerganj upazilas and river Gazalia on the east, Bhandaria and Kawkhali upazilas on the west.

Rajapur thana was established in 1880 and was turned into an upazila in 1983. It consists of 6 union parishads, 72 mouzas and 73 villages.

Rajapur Upazila is located in Jhalokati District. Upazilla(s)/Thana(s) in Jhalokati are Jhalokati Sadar Upazila, Kathalia Upazila, Nalchity Upazila, Rajapur Upazila.

Surichora Jami Mosque (Mughal period), Sujabad Kella (Mughal period).