Chittoor district (pronunciation (help·info)), 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, Srikalahasti and Kanipakam and other temples. It lies in the Poini river valley of southernmost Andhra Pradesh along the Chennai – Bangalore section of Chennai-Mumbai highway. It is a major market centre for mangoes, grains, sugarcane, and peanuts.Sricity integrated business city lies in Satyavedu mandal acts as a major industrial hub for chittoor district as well as Andhra Pradesh as a whole.