Nicobar District was created in 1974 but for policing purposes this district was established in the year 1991 when office of the Superintendent of Police was created at Car Nicobar. Before 1991 a DySP used to look after the functioning of policing in Nicobar Islands.

Nicobar District: Facts
Total number of Islands	22
Total Area	1841Sq Km
Total Length	259 Km
Average Width	58 Km
Biggest Island of the District	Great Nicobar Island (Area-1045Sq.Km)
Smallest Inhabited island of the District:	Pillow Millow Island(Area-1.3 Sq. Km)
Southernmost Island	Great Nicobar (about 160 Kms from Sumatra)
Northern Most Island	Car Nicobar (120 Kms south from Little Andaman)
Highest Peak	Mount Thullier (Great Nicobar Islands)-642m
Distance from Port Blair to Car Nicobar	278 Km