This is the "Gasthof Krause" in the fictive village "Schönhorst" from the "Polizeihauptmeister Krause" movies.
In reality it's also a restaurant called "Gasthof Naase" and the village is Gröben near Ludwigsfelde.
Dining, Movie Locations
Links: de.wikipedia.org, www.moz.de
By: mbirth