Majuli Island in Assam is the largest river Island in India. Majuli is in the Brahmaputra River, and is about 200 kilometres east from Guwahati, the capital of Assam. Majuli was formed due to course changes by the river Brahmaputra and its tributaries, mainly the Lohit. The total area of the island was 1250 sq.km but due to erosion its present area is 557 sq km.
Majuli is inhabited mainly by tribals. Major tribes are: Mishing,
Deori, and Sonowal Kacharis. Major languages spoken in Majuli are
Assamese, Mishing, and Deori. The island has twenty-three villages with
a population of 150,000 and a density of 300 persons per square km.