Karur is the administrative headquarters of Karur District in the South Indian state of Tamil Nadu. Karur is the district formed after independence and Located on the banks of River Amaravathi and River Kaveri, it has been ruled, at different times, by the Chera, Vijayanagar Empire, Madurai Nayaks, Hyder Ali, Carnatic kingdom, and the British. It is located at a distance of southwest of the state capital Chennai. Karur is the district located at the "heart" or center of Tamil Nadu. 