Asanur is a village in Ulundurpettai tehsil in district of Viluppuram, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Asanur was 2,591 which includes 1,266 males and 1,325 females. Asanur covers 789.15 ha area. Pincode of Asanur is 606305.