Vienna is in Europe.
Austria ( listen ) , is a federal republic and a landlocked country of over 8.7 million people in Central Europe . Bratislava . In 2017 , Bratislava was ranked as the third richest region of the European Union by GDP ( PPP ) per capita ( after Hamburg and Luxembourg City ) . Vienna ( [ viˈɛnə ] Wien , [ viːn ] ) is the capital and largest city of Austria and one of the nine states of Austria . Along with nearby Bratislava , Vienna forms a metropolitan region with 3 million inhabitants .