Malaiyur, also spelt Mazhaiyur, is a small town in Thiruvannamalai District of Tamil Nadu. Located on Chetpet-Vandavasi Road, this town is midway between Chetpet and Vandavasi. Peranamallur lies in the north and Desur in the south.
The Hindu religious center of Devikapuram is 25 km away. Ponnurmalia Teerth (Jain temple), Thennangur (known for ancient temples) and Thoosi Mamandoor (known for historic rock-hewn monuments) are accessible from Malaiyur.
