Nellur is a village in Denkanikottai tehsil in district of Krishnagiri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Nellur was 3,874 which includes 1,990 males and 1,884 females. Nellur covers 1634.74 ha area. Pincode of Nellur is 635116.