Alnar is a village in Gidam tehsil in district of Dakshin Bastar Dantewada, Chhattisgarh, India. As per the data provided by Census of India in 2011, total population of Alnar was 900 which includes 447 males and 453 females. Alnar covers 951.05 ha area. Pincode of Alnar is 494449.