Hotel Maison Am Adenauerplatz Welcome to the 3x000D star rated Hotel Maison Am Adenauerplatz in Berlin. No on site car parking is available at the hotel, however off site car parking is available. Guests can dine at the hotel restaurant. Room Features Hotel Maison Am Adenauerplatz. Smoking is permitted in certain bedrooms (please specify when booking) and the public areas of the hotel. Rooms have wireless internet access available.