See all Restaurants in Flensburg Flensburg for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Dionysos Glücksburger Straße 174 Phone: ☎ +49 461 140 800 About Dionysos, Glücksburger Straße 174, ☎ +49 461 140 800, [12]. A Greek restaurant in the first floor of Hotel Fruerlund. Add to Wish List