Unken is a municipality in the district of Zell am See, in the state of Salzburg, Austria. It lies in the Austrian Alps near the border with Germany, in the Saalach valley close to the Bavarian town of Bad Reichenhall.
The area is known for its alpine setting and for the Unkenbach valley, a popular starting point for hikes in the Chiemgau Alps. The village itself is small and retains a traditional Salzburg character, with a parish church and scattered farmsteads typical of the region.
Unken is connected by road to Salzburg and to nearby Bavarian towns, making it accessible as a base for exploring the surrounding mountains and the nearby Salzburg Saalach valley.