Gallery 0 Results Reset All Close It is estimated that about 6.5 million people depend directly or indirectly on the wider Sundarbans ecosystem for their livelihoods. IUCN / Mizuki Murai The Sundarbans in Bangladesh is part of the world’s largest mangrove forest, lying on the delta of the Ganges, Brahmaputra and Meghna rivers and bordering India’s Sundarbans National Park, also a Ramsar Site. IUCN / Mizuki Murai