Located within Ağlasun (Burdur), the ancient city of Sagalassos was first referenced within Hittite documents from the 14th century BCE as Salawassa. Since then it was settled by the Phrygians and then the Lydians as it began to prosper and grow in size. During the Persian period, the area known for its warlike factions. From here, it eventually came under the rule of Alexander the Great in 333 BCE, then Antigonus Monophthalmus , the Seleucids and the Attalids. Eventually the city was absorbed by the Roman Empire, under which it became a important urban center that was particularly favored by the Emperor Hadrian. The city was devastated by a earthquake in 518 AD and a plague in 541-543 AD, which halved the local population. Eventually the city was abandoned for good after 640 AD due to Arab raids and another earthquake. Forgotten for centuries, the city began to attract the attention of tourists and archaeologists since 1990 when large scale excavation efforts began.