Chittoor district is a district in Rayalaseema region of the Indian state of Andhra Pradesh. The district headquarters is located at Chittoor. It has a population of 4,170,468 according to 2011 census of India. Chittoor district has many major temples including Tirupati, Kanipakam and Sri Kalahasti temples. It lies in the Poini river valley of southernmost Andhra Pradesh along the Chennai – Bangalore section Chennai-Mumbai highway. It is a major market centre for mangoes, grains, sugarcane, and peanuts.
Chittoor District was formed on 1 April 1911, taking Chittoor, Palamaneru, Chandragiri from the then North Arcot District of Madras State and Madanapalli, Vayalpadu from Kadapa and Punganur, Sri Kalahasti, Karvetinagar from Zamindari tahsils of the Chittoor district to form united Chittoor district. Later in the Apri1 1 1960 319 villages of chittoor district were added into the then Kanchipuram districtand Thiruvallur districts of Tamil Nadu through the demands of Ma. Po. Si. and other leaders. Chandragiri, a suburban area of Tirupati served as fourth capital of Vijayanagar empire.