Thoothukudi is a port city and a Municipal Corporation and an industrial city in Thoothukudi district of the Indian state of Tamil Nadu. The city lies in the Coromandel Coast off Bay of Bengal. Thoothukudi is the headquarters of Thoothukudi District. It is located about 590 km, south of Chennai and 190 km, northeast of Trivandrum. Thoothukudi district is situated in the south-eastern corner of Tamil Nadu. It is bounded on the north by the districts of Tirunelveli, Virudhunagar, and Ramanathapuram, on the east and southeast by the Gulf of Mannar and on the west and southwest by Tirunelveli district. The total area of the district is 4621 km².