Location the ambassador hotel is in the center of vienna close to the imperial crypt in vienna hofburg imperial palace haus der musik the state opera and st stephens cathedral the hotel is on the krntner strae shopping street just 200 meters from the stephansplatz and karlsplatz underground stations hotel features since its opening in 1898 the 5 story ambassador hotel has hosted such famous guests as marlene dietrich and mark twain the hotel has a restaurant serving austrian a