- The River Danube is the second longest river in Europe, after the Volga, at 1,777 miles (2,860 km) long.
- The Source of the Danube is formed by the rivers Breg and Brigach, in the Black Forest, southern Germany. It runs through Eastern Europe and drains into the Black Sea.
Danube Limes
- The Danube was the Frontier with the Germanic Tribes during the Roman Empire.
- Bulgaria where the Danube Delta drains into the Black Sea was conquered by the Romans in 75 BCE.
- The Danube Limes was a Roman defensive system of walls and embankments to prevent incursions across the Danube.
- The Danube River runs through the following modern countries:
- Austria, Slovakia, Hungary, Croatia, Slovenia, Serbia, Bosnia and Herzogovina, Bulgaria, Roumania, Moldova.
Danube Delta
- The Danube Delta is Europe’s second largest natural wetland, the largest being the Volga Delta.
- It lies mostly in Roumania, and is a designated UNESCO World Heritage Site, with the remaining part lying in the Ukraine.
River Danube