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Which River Flows Through the Most Countries?

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Quick Answer

The Danube flows through or borders 10 countries, more than any other river in the world.

The Full Story

The Danube is Europe's second-longest river (after the Volga) and flows through or along the borders of 10 countries — more than any other river on Earth. Starting in Germany's Black Forest, it passes through Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Moldova, and Ukraine before emptying into the Black Sea. The river stretches approximately 2,850 kilometers and its drainage basin covers parts of 19 countries in total. The Danube has been a vital trade route, political boundary, and cultural inspiration for millennia. Johann Strauss II's famous waltz "The Blue Danube" (1867) is one of the most recognized pieces of classical music worldwide.

Key Facts

1.The Danube's drainage basin of about 817,000 km² is home to approximately 83 million people
2.The river provides drinking water for about 20 million people across Central and Eastern Europe
3.The Iron Gates gorge between Serbia and Romania is one of the largest hydroelectric systems in Europe

YouTube Angle

Suggested video title for this topic:

"The Danube: one river, ten countries — a journey along Europe's most international waterway"