Port Blair, officially named as Sri Vijaya Puram, is the capital city of the Andaman and Nicobar Islands, a union territory of India in the Bay of …Port Blair, officially named as Sri Vijaya Puram, is the capital city of the Andaman and Nicobar Islands, a union territory of India in the Bay of Bengal. It is also the local administrative sub-division of the islands, the headquarters for the district of South Andaman, and the territory's only notified town.