Obersimmental District is one of the 26 administrative districts in the Canton of Bern, Switzerland. Its capital, while having administrative power was the municipality of Zweisimmen. From 1 January 2010, the district lost its administrative power while being replaced by the Obersimmental-Saanen (administrative district), whose administrative centre is Saanen. Since 2010, it remains therefore a fully recognised district under the law and the Constitution (Art.3 al.2) of the Canton of Berne. The district has an area of 334 km² and consisted of 4 municipalities: