A port on the southern tip of South Andaman Island in the Bay of Bengal; population 127,100 (est. 2009). It is the capital of the Andaman and Nicobar Islands.
Definition of Port Blair in US English:
Port Blair
proper nounˌpôrt ˈbler
The capital of the Andaman and Nicobar Islands, a port on the southern tip of South Andaman Island in the Bay of Bengal; population 75,000.