Kayabaşı is a neighborhood in Polatlı District, in Ankara Province, Türkiye. Kayabaşı lies at 1,058 m above sea level, 10.3 km from the Anatolian plateau mountains. It has 124 inhabitants. The nearest city is Polatlı, 18.5 km to the west. Among the landmarks around are Gordion (34 km). Among the natural features are Gavur Castle (17.3 km).