Vadavallanadu is a village in Srivaikuntam tehsil in district of Thoothukkudi, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Vadavallanadu was 2,483 which includes 1,234 males and 1,249 females. Vadavallanadu covers 1466.05 ha area. Pincode of Vadavallanadu is 628252.