Baratang, less commonly known as Baratang Island, (coordinates: 12°07′N 92°47′E) is an island in the Andaman Islands, India, with an area of approximately 238 square kilometres (92 sq mi). It is one of the main islands of the Great Andaman group, a closely set archipelago in the Bay of Bengal, adjoining the Andaman Sea. Middle Andaman is to its north, and South Andaman to the south. The islands of Ritchie’s Archipelago lie some 20 kilometres (12 mi) to the east.
Port Blair, the capital of the Indian Union Territory of Andaman and Nicobar Islands, is located approximately 100 kilometres (62 mi) to the south.
Baratang contains the only known examples of mud volcanoes in India. These mud volcanoes have erupted sporadically, with recent eruptions in 2005 believed to have been associated with the 2004 Indian Ocean earthquake. The previous major eruption recorded was on 18 February 2003. The locals call this mud volcano jalki.
There are other volcanoes in the area. The Barren Island volcano which is the only active volcano in South Asia and the Narcondum volcano which is considered to be a potentially active volcano.