Vanagiri is a village in Sirkali tehsil in district of Nagapattinam, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vanagiri was 6,853 which includes 3,351 males and 3,502 females. Vanagiri covers 801.08 ha area. Pincode of Vanagiri is 609105.