Karayavşan is a neighborhood in Polatlı District, in Ankara Province, Türkiye. Karayavşan lies at 1,052 m above sea level, 4.0 km from the Anatolian plateau mountains. It has 102 inhabitants. The nearest city is Polatlı, 19.8 km to the northwest. Among the landmarks around are Gordion (36 km). Among the natural features are Gavur Castle (18.3 km).