The islands' capital, Port Blair, is located on South Andaman.
All of these islands are in the form of peaks of a submerged mountain chain.
Each island has a central highland surrounded by bordering flat lands sloping in all directions and finally merged into coastal tracts.
According to the 2011 census of India, the archipelago had 315,530 inhabitants.
This Andaman and Nicobar Islands location article is a stub.