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With a total area of over 800,000 km², the Danube River Basin covers 10% of Continental Europe. While the main river flows through ten countries, the full basin including its tributaries covers nine more. It is a unique artery through the heart of Europe, connecting East to West, and Black Forest to Black Sea.

Danube Basin, 29 June 2013. Activities for kids, tours with wildlife guides, open days at water research facilities: Danube Day is colourful and diverse. On June 29, you can join tens of thousands of people throughout the Danube River Basin and celebrate the most successful river festival in the world.

Danube Basin, 29 June 2013. Johannes Hahn, EU Commissioner for Regional Development, reaches out to the people of the Danube River Basin in a video message on Danube Day.