Example image of eyePlorer eyePlorer map for 'Vienna': Austria States of Austria Culture of Austria Economy of Austria Politics of Austria Urban area European Union Largest cities of the European Union by population within city limits International organization OPEC United Nations Czech Republic Hungary Slovakia Economist Intelligence Unit Global city UNESCO Vancouver World Heritage Site World's most livable cities Celtic languages Vindobona Ottoman Turkish language 6th century BC Celts 15 BC Germanic peoples Roman Empire Mongol Empire Ögedei Khan Holy Roman Empire House of Babenberg House of Habsburg Middle Ages 17th century Battle of Vienna Ottoman Empire Siege of Vienna Austrian Empire Congress of Vienna Austria–Hungary Austro-Hungarian Compromise of 1867 Bastion Glacis Ringstraße Capital First Austrian Republic World War I Red Vienna Socialism