Hariyajjanahalli is a village in Sira tehsil in district of Tumkur, Karnataka, India. As per the data provided by Census of India in 2011, total population of Hariyajjanahalli was 687 which includes 339 males and 348 females. Hariyajjanahalli covers 370.91 ha area. Pincode of Hariyajjanahalli is 572113.