Sunderban national park is located at the south-eastern tip of the 24 Paragana district in the state of West Bengal. It got its name from one of the mangrove plants known as Sundari. The Sundarbans are a part of the world's largest delta formed by the rivers Ganges, Brahmaputra and Meghna. Sundarban is a vast area covering 4262 square kms in India alone, with a larger portion in Bangladesh. 2585 sq. kms of the Indian Sundarban forms the largest Tiger Reserve and National Park in India.