Köşk is a municipality and district located in the Aydın Province of Turkey. It covers a total area of 187 km2 and had a recorded population of 28,235 as of 2022.
The name "Köşk" is a Turkish noun that traditionally refers to an ornate wooden mansion that is smaller in scale than a palace. While the district shares this name, it serves as a primary administrative and residential area within the province.