In which European capital city are the Hofburg Imperial Palace and St Stephen's Cathedral to be found?
Capital of Austria Wien Architecture of Vienna Vinarborg Government of Vienna Vienna Viena Demographics of Vienna City of Vienna Vienna (state) Wienna Vienna, AT-9 Habsburg, Austria Vienna Porcelain Wene UN/LOCODE:ATVIE Vienna (Austria) Europe/Vienna Vindabona Vienna porcelain Vínarborg Wien, Austria Vienna, Austria Gemeinderat of Vienna Vindobonensis Bécs VIENNA