Gangabasavanahalli is a village in Kadur tehsil in district of Chikmagalur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Gangabasavanahalli was 339 which includes 172 males and 167 females. Gangabasavanahalli covers 158.6 ha area. Pincode of Gangabasavanahalli is 577168.