See all Restaurants in Vaduz Vaduz for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Old Castle Inn Aeulestrasse 22 Phone: ☎ +423 232 10 65 About Old Castle Inn, Aeulestrasse 22, ☎ +423 232 10 65. In the centre of Vaduz. It is impossible to miss and offers authentic food at a reasonable price and with a pleasant atmosphere. Add to Wish List