Patuakhali District (Barisal division) with on area of 3,204.58 sq km, is bounded by barisal district on the north, the Bay of Bengal on the south, bhola district on the east, barguna district on the west. The area of the district is composed of some small chars or islands. Maximum temperature 33.3 oC and minimum 12.1 oC; annual rainfall 2506 mm. Main rivers are the Andharmanik, Agunmukha, Payra, Lohalia, Patuakhali and Tentulia. The region having been close to the sea, frequently falls victim to tornado and tidal bore.