Dharmapuri district is one of the 38 district in Tamil Nadu state in India. The district came into existence from October 10, 1965. It is the first district created in Tamil Nadu after independence. Dharmapuri is the district headquarters. Dharmapuri town is historically called "Thakadoor". As of 2011 census, the district had a population of 1,506,843 with a sex-ratio of 946 females for every 1,000 males. The current average literacy of the district was 91.2% compared to the national average of 72.99%.
The Kaveri river flows into the state through the district, and Hogenakkal, a town situated 46 km from Dharmapuri is the site where the river drops into as a scenic waterfall known as Hogenakkal Falls.Another important tourist destination in the state is the hill-temple at Theerthamalai in Harur taluk which is a sacred religious place for the Hindus, and which is existing from the times of the Chola and the Vijayanagara empires.