The Sundarban, located in Bangladesh and India, is the world largest continuous mangrove forest in the world. Tourism in the Sundarban has been practiced since long, growing (1.5% per year) slowly becomes a potential source of income. But it can be a major threat to the natural environment since facilities for the tourism still not developed. If it is possible to develop ecotourism, economic benefit can be maximized without harming the environment. Tourist and tour operators are the main stakeholders generate economic benefit for the development of ecotourism. Their demand for the...