The Keibul Lamjao National Park is a national park in the Bishnupur district of the state of Manipur in India. It is 40 km2 (15.4 sq mi) in area, the only floating park in the world, located in North East India, and an integral part of Loktak Lake. The national park is characterized by many floating decomposed plant materials locally called phumdis.

Source: https://en.wikipedia.org/wiki/Keibul_Lamjao_National_Park