The Sunderbans, a 10,000-km area of wet and marshy land sprawled across Bangladesh and India, is among the world's richest mangrove forest reserves and is the home of the Royal Bengal Tiger
Royal Bengal tiger is the tiger subspecies which is the highest in number. It is the national animal of both India and Bangladesh.
Sundarbans is the largest single block of tidal halophytic mangrove forest in the world. It is a natural region in southern Bangladesh and the extreme southern part of the Indian state of West Bengal in the vast river delta on the Bay of Bengal.