Yenidoğan is a neighborhood in Polatlı District, in Ankara Province, Türkiye. Yenidoğan lies at 862 m above sea level, 5.4 km from the Anatolian plateau mountains. It has 136 inhabitants. The nearest city is Polatlı, 15.5 km to the southwest. Among the landmarks around are Gordion (25 km), Gordion Museum (24 km) and Hacıtuğrul Höyüğü (4.5 km).