Periathatchur is a village in Tindivanam tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Periathatchur was 5,275 which includes 2,678 males and 2,597 females. Periathatchur covers 1213.07 ha area. Pincode of Periathatchur is 605651.