Periyapattu is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periyapattu was 752 which includes 388 males and 364 females. Periyapattu covers 337.69 ha area. Pincode of Periyapattu is 607204.