Gannayakanahalli is a village in Hiriyur tehsil in district of Chitradurga, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gannayakanahalli was 1,238 which includes 633 males and 605 females. Gannayakanahalli covers 763.49 ha area. Pincode of Gannayakanahalli is 577599.