Sri Neyyadiappar temple is located in the village named Thillaisthanam in the district of Thanjavur, in state of Tamil Nadu in South India. The primary deity of this temple is Neyyadiappar, Kruthapureeswarar (Lord Shiva) and his consorts are Balambikai, Ilamangaiammai. The festival deity is Kruthapureeswarar.
The holy tree of this temple is Vilwa. The holy water of this temple is Cavery theertham. The agamam or pooja of this temple is known as Karana Agama. This temple is nearly 1000-2000 years old in this region. The historical name of this place is Tiruneithanam.
According to the Hindu religious expert, “Saivite Saints Appar and Tirugnana Sambandar had sung the glory of Lord of the temple in their Thevaram hymns. This is the 52nd Shiva temple on the northern bank of Cauvery praised in hymns.”
The important festivals of this temple are Margazhi Tiruvadhirai in December-January, Masi Maha Shivrathri in February-March, Aipasi Annabhishekam in October-November, Ezhur Sapthasthana festival and Margazhi Tiruvadhirai in December-January.
The feature of specialty of the temple is that special abishek to Lord Shiva is largely offered with pure ghee followed by hot or warm water abishek. Lord Shiva in the temple is a swayambumurthy. The temple is broadly open from 10.00 a.m. to 11.00 a.m. and from 5.00 p.m. to 7.00 p.m for devotees and pilgrims.
In the goshta wall are Lords Lingodhbava, Brahamma and Dakshinamurthy. With a spacious first prakara, the shrines have a Rajagopuram facing towards east. In a separate shrine facing towards the south is the shrine of Goddess Ambica. There are shrines for Lord Muruga and Lord Vinayaka in the inner prakara.