Ponnavarayankottai is a village in Pattukkottai tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Ponnavarayankottai was 982 which includes 473 males and 509 females. Ponnavarayankottai covers 86.3 ha area. Pincode of Ponnavarayankottai is 614602.