Tanguar haor located in the Dharmapasha and Tahirpur upazilas of Sunamganj District in Bangladesh, is a unique wetland ecosystem of national importance and has come into international focus. The area of Tanguar haor including 46 villages within the haor is about 100km of which 2,802.36 ha is wetland. It is the source of livelihood for more than 40,000 people.