Krishnagiri is a city in the state of Tamil Nadu, India, and it serves as the administrative headquarters of Krishnagiri District formed in 2004. It is located at the bottom of Krishnadevaraya Hills, and the town is fully surrounded by hill rocks. It is located 250 km from Chennai, 45 km from Dharmapuri, and 90 km from Bengaluru. Krishnagiri is known as "Mango Capital of India" as mangoes are cultivated as the main crop, and the land here is extremely fertile with rich access to fresh water making it amenable to growing crops. Krishnagiri is the site of significant business and residential development. The Krishnagiri Dam was built in 1967.