Today, DoubleTree by Hilton Berlin Ku’damm announced its opening, marking the first opening under Hilton’s full-service DoubleTree by Hilton brand in Berlin and the third in Germany. Designed to serve leisure guests vacationing in Berlin as well as business travelers and groups from around the world, the hotel is one of the largest in the city with 420 guest rooms and over 8,600 square feet of meeting space.