Sundarbans is the world’s largest contiguous mangrove forest and also is world’s largest tiger reserve. It spreads over an area of about 1000 sq. km in southwest Bangladesh and southeastern portion of the state of West Bengal in India. The forest is located  in the estuary of the Ganges River delta.  Major part of the forest lies in Bangladesh with an area of 6017 km2  that consists of forest, wildlife sanctuaries, sand bars, rivers, creeks and canals (Siddiqi, 1994).


Administrative boundary and Physiography

The Sundarbans forest constitutes about 51% of the forest area of Bangladesh. It spreads over the districts of Khulna, Bagerhat and Satkhira. The total land area of Sundarbans is 401,600 hectares of which 395,500 hectares are non-forested area. The area covered by rivers and khals (or canals) is 175,600 hectares (Katebi, 2001). Its physiography consist of a large number of fluvial and tidal landscapes, features created by the Ganges, Brahmaputra, and the Meghna Rivers.

Administrative zones (ranges) in Sundarbans, BangladeshAdministrative zones (ranges) in Sundarbans, Bangladesh


Katebi, M.N.A. 2001. Sundarbans and Forestry , In: Haider (ed.), Cyclone ´ 91– an environmental and Perceptional study, BACS, Dhaka, pp 79-100.
Siddiqi, N.A., (ed.) 1994. The Importance of Mangroves to the People in the Coastal Areas of Bangladesh, Proceedings of VII Pacific Science International Congress, International Society for Mangrove Ecosystems, Tokyo, Japan.