The Sundarbans ecosystem is a unique natural wonder of south Asia and the globe. The delta is spread over India and Bangladesh with an area of approximately 10,000 square kilometres and is enjoying the status of being largest halophytic mangrove forest in the world. It is a delta of the two great Indian River The Ganga and The Brahamputra which converges on the Bengal basin. The whole area is a kingdom of the famous Royal Bengal Tigers.
The Sundarban National Park is a tiger and biosphere reserve located in the Sundarbans delta in the state of West Bengal (India). The Sundarbans is named after the Sundari trees which are found in bulk in this area. The park was established as a national park on 4th May 1984 as earlier it was created as a wildlife sanctuary in 1977, designated as the core area of Sunderbans Tiger Reserve.