Periyakoil is a village in Cheyyar tehsil in district of Tiruvannamalai, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periyakoil was 582 which includes 297 males and 285 females. Periyakoil covers 358.03 ha area. Pincode of Periyakoil is 604407.