The Andaman and Nicobar Islands is a union territory of India. It consists of 836 islands (of which only 31 are inhabited) grouped into two island groups: the northern Andaman Islands and the southern Nicobar Islands, separated by a 150 km (93 mi) wide channel. Port Blair is the capital and largest city of the territory, located about 1,190 km (740 mi) from Chennai and 1,255 km (780 mi) from Kolkata in mainland India. The islands are sandwiched between the Bay of Bengal to the west and the Andaman Sea to the east with the northern-most point located 901 km (560 mi) from the mouth of Hooghly river. Indira Point at 6°45’10″N and 93°49’36″E at the southern tip of Great Nicobar is the southernmost point of India. The territory shares maritime borders with Indonesia located about 165 km (103 mi) to the south, Myanmar located 280 km (170 mi) to the north-east and Thailand located 650 km (400 mi) to the south-east. The islands occupy a total land area of approximately 8,249 km2 (3,185 sq mi) with a population of 380,581 as per the 2011 census. The territory is divided into three districts: Nicobar, South Andaman, and North and Middle Andaman with the capitals at Car Nicobar, Port Blair and Mayabunder respectively.