Avidayanikottai is a village in Peravurani tehsil in district of Thanjavur, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Avidayanikottai was 474 which includes 238 males and 236 females. Avidayanikottai covers 160.09 ha area. Pincode of Avidayanikottai is 614805.