Kahta is a district where the first settlements date back to the 2000s BC and the civilizations of Commagene, Hittites, Mitanni, Arameans, Assyria, Romans, and Ottomans. It was one of the borders of the Islamic world in the Middle Ages. The Severan Bridge, Karakus Tumulus, Kahta Castle, and Unesco World Heritage Site Mount Nemrut are the attractions of the region.