Mazhaiyur also spelt Mazhaiyur is a small town in Tiruvannamalai district of Tamil Nadu, India. Mazhaiyur is 110 km (68 mi) south-west of Chennai. Located on Chetpet-Vandavasi Road, the town is midway between Chetpet and Vandavasi. Village Panchayat President is Mr. M.S. Munusamy, a retired Headmaster.