As of 2001 India census, Gandhanahalli had a population of 5106 with 2585 males and 2521 females. Gandhanhalli is located 56 km from district headquarters Mysore. This village name came from a man who is only son of a widower. his name is Gandha (Shrigandha). Both living in a jungle lonely. Gandha is the brave man. The goddess Adishakti Shri Hunasamma is located in south. Behind Hunasamma temple there was another temple i.e. Shri Anjaneya Swami temple. there is special in this temple. Most temples in the world are east faced but Anjaneya temple is west faced