A 17-square-meter room surrounded by greenery, overlooking a park with a small lake right in the heart of Berlin: This bright, furnished room is part of an 80-square-meter, three-bedroom apartment in a historic building. The apartment is ideal for roommates who are active, prefer to sleep away from the party scene, yet still want to be close to Berlin’s hotspots. The room is ideal for commuters who are in Berlin on the weekends, as they often have the apartment to themselves then. The furnished...