Of these ten countries, the Danube flows through four capital cities: Vienna, Bratislava, Budapest, and Belgrade. There are five more capital cities that are not located directly on the Danube but in its basin: Bucharest, Sofia, Zagreb, Ljubljana and Sarajevo.

Which capitals are on the Danube? The Danube River flows through four spectacular capital cities: Vienna, Bratislava, Budapest and Belgrade. Overall, it flows through ten different countries, making it one of the most internationally connected rivers in the world.

Among the many cities on the river are four national capitals: Vienna, Bratislava, Budapest, and Belgrade. Its drainage basin amounts to 817,000 km 2 (315,000 sq mi) and extends into nine more countries.

There are four magnificent capital cities located on its riverbanks: Vienna, Bratislava, Budapest, and Belgrade. To add to this impressive list, both Bucharest and Sofia lie within a short distance from the banks of the Danube.