The Westin Grand Berlin Sheraton Stockholm Grandhotel Esplanade Berlin Fairmont Le Montreux Palace Swissôtel Düsseldorf / Neuss Swissôtel Basel Marriott Hotel München Sheraton Brüssel Frederick's Hotel, London The Westin Grand Berlin Sheraton Stockholm Grandhotel Esplanade Berlin Fairmont Le Montreux Palace Swissôtel Düsseldorf / Neuss Swissôtel Basel Marriott Hotel München Sheraton Brüssel Frederick's Hotel, London