Chinna Avadayar Koil 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 Chinna Avadayar Koil was 670 which includes 291 males and 379 females. Chinna Avadayar Koil covers 587.68 ha area. Pincode of Chinna Avadayar Koil is 614701.