Şimşelli is a neighborhood in Nazilli District, in Aydın Province, Türkiye. Şimşelli lies at 573 m above sea level, in the Aydin mountains. It has 199 inhabitants. The nearest city is Nazilli, 10.9 km to the south. Among the landmarks around are Aphrodisias (47 km), Nysa on the Maeander (22 km) and Mastaura (7.1 km).