Claim: Sundarbans West Wildlife Sanctuary is a UNESCO World Heritage Site and animal sanctuary in Bangladesh, The area of the reserve covers 715 km,  It is part of the larger Sundarbans region, one of the largest mangrove forests in the world.   It is formed at the unified delta of the Ganges, Brahmaputra, and Meghna rivers on the Bay of Bengal.
Evidence: Sundarbans West Wildlife Sanctuary is a UNESCO World Heritage Site and animal sanctuary in Bangladesh. The area of the reserve covers 715 km. It is part of the larger Sundarbans region, one of the largest mangroveforests in the world. It is formed at the unified delta of the Ganges, Brahmaputra and Meghna rivers on the Bay of Bengal.