Nicobar district is one of three districts in the Indian Union Territory (UT) of Andaman and Nicobar Islands. The district's administrative territory consists of all of the Nicobar Islands, which are located in the Indian Ocean (Bay of Bengal, bordering with the Andaman Sea). The headquarters of the district is located on the island of Car Nicobar.
The district administration is headed by a Deputy Commissioner, who in turn reports into the Lieutenant Governor of the Andaman and Nicobar Islands.
According to the 2011 census Nicobar district has a population of 36844, roughly equal to the nation of Liechtenstein. This gives it a ranking of 636th in India (out of a total of 640). The district has a population density of 20 inhabitants per square kilometre (52/sq mi) . Its population growth rate over the decade 2001-2011 was -12.48%. Nicobars has a sex ratio of 778 females for every 1000 males, and a literacy rate of 77.5%.
The district is designated as an Integrated Tribal District, and is home to significant numbers of indigenous peoples (namely, the Nicobarese and the Shompen, classified as Scheduled Tribes according to the Constitution of India), who form the majority of the district's population. Because of its status as a tribal area, travel to the district is restricted to Indian nationals, and special permit restrictions apply.