Velankanni (Vēḷāṅkaṇṇi), is a Special Grade Panchayat Town in Nagapattinam district in the Indian state of Tamil Nadu. It lies on the Coromandel Coast of the Bay of Bengal, 350 km south of Chennai (Madras), 12 km south of Nagapattinam, and 33 km southeast of Thiruvarur. Once a port that traded with Rome and Greece, the tiny commercial center gradually lost its importance to the larger city of Nagapattinam. The canal built to link this town with Vedaranyam still lies to the west. The Vellayar, a minor branch of the Cauvery River, runs south of the town and discharges into the sea. The town was among the worst hit by the tsunami caused by the 2004 Indian Ocean earthquake. The town is home to one of the most visited Latin Catholic shrines called the Basilica of Our Lady of Good Health. Velankanni has been chosen as one of the heritage cities for the Heritage City Development and Augmentation Yojana (HRIDAY) scheme of the Government of India. Demographics The 2001 Indian census indicated Velankanni had a population of 10,145. Males constitute 48% of the population and females 52%. Citizens there have an average literacy rate of 69%, higher than the national average of 68%: male literacy is 75%, and female literacy is 64%. 12% of the population is under six years of age. History 2004 Tsunami Velankanni town was among the worst hit by the massive 26 December tsunami that was triggered by the 2004 Indian Ocean earthquake. The tsunami struck at around 9.30 am on that Sunday, when pilgrims from Kerala were inside the church attending the Malayalam Mass. The rising water level did not enter the shrine, but the receding waters swept away hundreds of pilgrims who were on the beach. The shrine's compound, nearby villages, hundreds of shops, homes and pilgrims were washed away into the sea. About 600 pilgrims died. Rescue teams extricated more than 400 bodies from the sand and rocks in the vicinity and large number of unidentified bodies were buried in mass graves. Geography Vailankanni is located south of Chennai and south of Nagapattinam on the Coromandel Coast, at in Nagapattinam district of Tamil Nadu state. Climate Fauna Puntius sanctus is a rare species of barbs fish found exclusively on a small body of water at Velankanni Tourist Attractions Basilica of Our Lady of Good Health Basilica of Our Lady of Good Health, one