The Danube is a river in Central Europe, the European Union’s longest and the continent’s second longest (after the Volga).
Classified as an international waterway, it originates in the Black Forest of Germany–at the confluence of the rivers Brigach and Breg. The Danube then flows southeast for 2,872 km (1,785 mi), passing through Vienna, Bratislava, Budapest and Belgrade before emptying into the Black Sea via the Danube Delta in Romania and Ukraine.Captured in art, poetry and music, the Danube River is one of the world’s most romantic waterways.