Andhra Pradesh Tourism Development Corporation (APTDC) is a state government agency which promotes tourism in Andhra Pradesh, India. The department offers tour packages of Heritage, Nature, Adventure, Health and Rural tourism representing rich historical and natural background of Andhra Pradesh state. The tours covering 8 centers of Andhra Pradesh. The department maintains resorts at popular tourism destinations such as Tirupatti, Horseley hills, Araku valley, Vizag and Srisailam. A wide range of vehicles including 63 hi-tech coaches, 29 Volvo coaches, 8 air-conditioned hi-tech coaches, 4 semi-slippers, 11 mini vehicles, 1 vintage coach and 10 Qualis are being used. APTDC is also promoting leisure tourism in the state of Andhra Pradesh. It has identified a number of potential tourism developments. In 2006, it opened an office to serve the Tamil Nadu market.