The southern district of Tirunelveli shares its borders with the State of Kerala, Gulf of Mannar and the districts of Virudhunagar, Thoothukudi and Kanniyakumari. It is located at the distance of 595 kms from the state capital of Chennaion the west bank of the only perennial riverof the south, River Tamraparni.
This 2000 year old town grew into prominence during the reign of the Pandya dynasty. It is also one of the oldest Christian centres of the south with its twin city, palayamkottai. The city surrounded by paddy fields is known for its reed mats, palm handicrafts, palm sugar and temples especially the Kanthimathi Nellaiyappar Shiva temple after which the city is named.