Mersindere is a neighborhood in Didim District, in Aydın Province, Türkiye. Mersindere lies 11.6 km from the İlbir Dağları mountains. It has 1,658 inhabitants. The nearest city is Efeler, 5.3 km to the southeast. Near the border: Greece, 17 km. Beaches nearby: Mavişehir (1.6 km), Sarıkum (2.3 km), Altınkum (7.9 km). Among the landmarks around are Priene (28 km), Miletus (13.2 km) and Didyma (4.1 km).