The Sundarbans, which spread across the south-western part of Bangladesh, is recognized as the largest mangrove forest in the world. The area of the forest including both parts of Bangladesh and the West Bengal of India is 10,000 square kilometers, of which 6,017 sq km of the forest is inside of Bangladesh. UNESCO recognized the Sundarbans as the World Heritage Site in 1997. The forest is criss-crossed by hundreds of rivrers and revulets that occupies a surface of about 31 percent of the forest area.
The Sundarbans is also recognized as the Ramsar Site in 1992. It is the national forest of Bangladesh. It is located in the three districts; Khulna, Satkhira and Bagerhat. The Sunderbans is rich in extra-ordinary biodiversity, different types of wildlife and varied vegetation. The forest is worldwide famous as the abode of the Royal Bengal Tiger.
The Sundarbans are also famous for deer, monkeys, wild pigs and diverse species of bees. There are many aquatic creatures in the canals, river-streams including crocodiles and snakes. The main tree of the forest is Sundari Tree after which the forest is named Sunfarbans. A famous plant of the forest is Golpata. The Sundarbans are called the lungs of Bangladesh.
The Sundarbans is the most attractive travel destination for the tourists coming to Bangladesh.