Port Blair is the largest town in Andaman district of Nicobar Islands, a union territory of India. Town lies on the east coast of South Andaman Island and is the main entry point to the beautiful islands. Port Blair is the headquarters for the South Andaman, and the local administrative sub-division. It is home to several museums and a major base for the Indian Navy and Indian Air force. Havelock Island is the largest of the islands which comprise Ritchie’s Archipelago a chain of islands to the east of Great Andaman.