Spiez is in the canton of Bern in Switzerland, it is located at the south bank of the Lake Thun. Spiez is a small German-speaking town of about 12,500 inhabitants in the Canton of Bern, best known for its castle and its fine views over the lake. The Schlosskirche or Castle Church of Spiez is a Romanesque church picturesquely situated at the end of a rocky peninsula overlooking Lake Thun. With Einigen and Scherzligen, the church at Spiez is among the oldest missionary churches in the Berner Oberland.