Nanjanayakanahalli is a village in Heggadadevankote tehsil in district of Mysore, Karnataka, India. As per the data provided by Census of India in 2011, total population of Nanjanayakanahalli was 925 which includes 453 males and 472 females. Nanjanayakanahalli covers 555.7 ha area. Pincode of Nanjanayakanahalli is 571114.