Söke is a municipality and district located in the Aydın Province of Turkey. Situated approximately 54 km southwest of the city of Aydın, it lies near the Aegean coast. It is characterized by its significant size, covering an area of 1,064 km2, making it the largest district within the Aydın Province.
The district has a population of 123,301 as of 2022 and is bordered by several neighboring regions. These include Germencik to the northeast, Koçarlı to the east, Milas to the southeast, Didim to the southwest, and Kuşadası to the northwest, with the Aegean Sea bordering it to the west.