Thiruedayaru (T.Edayaru) is a small village is at a distance of 6 km from Thiruvennainallur. This village is being respected for having its monumental evidence of chola kingdom's Lord shiva temple. The temple here was built for Lord Marutheeswarar (other name of Lord Shiv), is a 1,000-year-old build and having wonderful sculptors and monuments. The Temple is another sign of Chola rulers and equally respected with Tanjore Lord Bragadeeswarar Temple. T. Edayaru is also known for banking pennar river and the landscapes nearby. T. Edayaru is considered a good example of Tamil culture and History.