Orathanadu is a taluk headquarters in Thanjavur District of Tamil Nadu. This prominent town is on the mid way between Thanjavur and Pattukkottai, on the State Highway. The place has a Maratha chattram named after Muktambal, one of the queens of Sarfoji II. This chariot shaped building displays religious sculptures in stucco and wood. Also, a famous Shiva temple is located here. The only survey training institute of the state lies in this town, which provides survey training to the revenue and survey officials.
