In which of the following states, world's largest river island is located?

The correct answer is Assam . Key Points The Guinness Book of World Records has named Majuli as the world's largest river island. The beautiful river island is located on the River Brahmaputra in Assam . It is formed by the Brahmaputra River in the south and Kherkutia Xuti, an anabranch of the Brahmaputra, joined by the Subansiri River in the north. The island is populated by the Mising, Deori, and Sonowal Kachri tribes. It has also been included in the tentative list of UNESCO's World Heritage Sites .