Danube River: Flows Through 10 Countries (7 EU Members)

The Danube flows through 10 countries (most of any river globally):

1. Germany (source, EU)
2. Austria (EU)
3. Slovakia (EU)
4. Hungary (EU)
5. Croatia (EU)
6. Serbia (candidate)
7. Romania (EU)
8. Bulgaria (EU, border)
9. Moldova (border, 340 m only)
10. Ukraine (delta, EU candidate)

EU Members on the Danube: 7

Germany, Austria, Slovakia, Hungary, Croatia, Romania, Bulgaria.

Key Facts

• Length: ~2,850 km (1,770 mi)—Europe's 2nd longest (after Volga).
• Delta (Romania/Ukraine): UNESCO Biosphere Reserve.
• Major capitals: Vienna, Bratislava, Budapest, Belgrade.
• Rhine-Main-Danube Canal links North Sea to Black Sea.