Sundarbans, the land of boundless beauty and magnificent landscapes named after the ubiquitous Sundari trees which were found there in large numbers, is the largest single block of tidal halophytic mangrove forest in the world and has the honor of being a UNESCO World Heritage Site & a Biosphere Reserve.The Sunderban forest covers around 10,000 sq.km of which a major portion is in Bangladesh, while the Indian portion is estimated at around 4264 square km.