Nattuchalai 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 Nattuchalai was 2,956 which includes 1,349 males and 1,607 females. Nattuchalai covers 613.94 ha area. Pincode of Nattuchalai is 614906.