Ramanathapuram District is an administrative district of Tamil Nadu state in southern India. The city of Ramanathapuram is the district headquarters. Ramanthapuram District has an area of 4123 km2. It is bounded on the north by Sivaganga District, on the northeast by Pudukkottai District, on the east by the Palk Strait, on the south by the Gulf of Mannar, on the west by Thoothukudi District, and on the northwest by Virudhunagar District. The district contains the Pamban Bridge, an east-west chain of low islands and shallow reefs that extend between India and the island nation of Sri Lanka, and separate the Palk Strait from the Gulf of Mannar. The Palk Strait is navigable only by shallow-draft vessels. Tourist attractions in the district, Corridors of the Rameshwaram Temple, Pamban Bridge between Pamban Island and the mainland, Fishing boats seen from Pamban Bridge, Pamban rail bridge connecting Pamban island with the Indian mainland, Chitrangudi Bird Sanctuary spot-billed pelican, Pamban Island in which Rameswaram located, Aerial view of the Rameswaram island from Pamban Bridge, Lakshmana Tirtham, Kothandaramaswamy Temple, etc;;;;