The city is also famous for its reputed institutions and hence Palayamkottai is known as the "Oxford of South India".Nellaiappar Temple is famous as one of the largest Shiva Temples of Tamil Nadu,The temple is situated in Tirunelveli Town, in the centre of the city.
Nindrasir Nedumaran (நின்றசீர் நெடுமாறன்), who reigned in the seventh century AD, contributed by constructing and renovating important parts in the temple. A beautiful garden next to the Mandapam, designed by Thiruvengadakrishna Mudaliar in 1756, welcomes visitors with many colourful and fragrant flowers. A square Vasantha Mandapam with 100 pillars is situated in the midst of this garden.The Nellaiappar Temple is bigger than the Madurai Meenakshi Amman Temple, though the latter is much more popular owing to its historical importance. Near Tirunelveli, are the nine Vaishnavite temples dedicated to Vishnu (the Alwar Nava Tiruppatis), the Krishnapuram Venkatachalapati temple with its brilliant sculptural work, Tiruchendur with its grand and imposing temple dedicated to Subramanya, and Kutralam a popular tourist resort with its charming waterfalls and abundant natural beauty. The region between Tirunelveli and Kutralam abounds in natural splendour. Mention must be made of Tenkasi, Papanasam and Ambasamudram