Hasköy is a neighborhood in Nazilli District, in Aydın Province, Türkiye. Hasköy lies in the Aydin mountains. It has 901 inhabitants (2022). The nearest city is Nazilli, 5.9 km to the southeast. Among the landmarks around are Aphrodisias (47 km), Nysa on the Maeander (15.2 km) and Mastaura (5.9 km).