Avaikkottai 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 Avaikkottai was 1,200 which includes 570 males and 630 females. Avaikkottai covers 349.83 ha area. Pincode of Avaikkottai is 614015.