Gudadhanamsagar is a village in Kushtagi tehsil in district of Koppal, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gudadhanamsagar was 1,338 which includes 677 males and 661 females. Gudadhanamsagar covers 617.94 ha area. Pincode of Gudadhanamsagar is 583279.