[[Image:Stephansdom.jpg|thumb|right|250px|St. Stephens Cathedral under renovation in 2007.]]
'''Vienna''' ([[German]]: Wien, [[Hungarian]]: Bécs) is the capital city of [[Austria]]. With 1,600800,000 inhabitants, it's by far the biggest city of Austria - [[Graz]] (population: 250300,000) comes second. The [[Danube]] river flows through Vienna.
Today, Vienna is home to several important international organizations: the [[United Nations]], [[OPEC]], and the International Atomic Energy Association.