Port Blair 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. Port Blair serves as the entry point for visiting the Andaman and Nicobar Islands and is connected with mainland India by both air and sea. It is a 2-3 hour flight from mainland India to Port Blair's Veer Savarkar International Airport, and 3–4 days by sea to reach Kolkata, Chennai or Visakhapatnam from Haddo Wharf in Port Blair.