Serçin is a neighborhood in Söke District, in Aydın Province, Türkiye. Serçin lies at 3 m above sea level, 5.9 km from the İlbir Dağları mountains. It has 672 inhabitants. The nearest city is Didim, 22 km to the southwest. Among the landmarks around are Priene (15.2 km), Miletus (10.1 km) and Ephesus (44 km).