Söke is a municipality and district of Aydın Province, Turkey. Its area is 1,064 km2, and its population is 123,301 (2022). It is the largest district of Aydın Province by area. Söke is 54 km south-west of the city of Aydın, near the Aegean coast. Its neighbours are Germencik from north-east, Koçarlı from east, Milas from south-east, Didim from south-west, Aegean Sea from west and Kuşadası from northwest. The mayor of Söke is Mustafa İberya Arıkan.