Tatlıkuyu is a neighborhood in Polatlı District, in Ankara Province, Türkiye. Tatlıkuyu lies at 750 m above sea level, 4.2 km from the Anatolian plateau mountains. It has 193 inhabitants. The nearest city is Şehitlik, 15.9 km to the northeast. Among the landmarks around are Gordion (21 km), Gordion Museum (21 km) and Pessinus (41 km).