Annavasal is a village in Tharangambadi tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Annavasal was 2,036 which includes 1,012 males and 1,024 females. Annavasal covers 425.06 ha area. Pincode of Annavasal is 609314.