Karapınar is a neighborhood in Polatlı District, in Ankara Province, Türkiye. Karapınar lies at 963 m above sea level, 6.1 km from the Anatolian plateau mountains. It has 442 inhabitants. The nearest city is Polatlı, 5.0 km to the southwest. Among the landmarks around are Gordion (17.3 km), Gordion Museum (15.8 km) and Mehmetçik Monument (11.4 km).