Giddanahalli is a village in Palakkodu tehsil in district of Dharmapuri, Tamil Nadu, India. As per the data provided by Census of India in 2011, total population of Giddanahalli was 1,019 which includes 533 males and 486 females. Giddanahalli covers 28.34 ha area. Pincode of Giddanahalli is 636805.