The Danube links ten European countries, six of them EU Member States, over its course of some 3000 km from the Black Forest (Germany) to the Black Sea.
Donava savā apmēram 3000 km tecējumā no Švarcvaldes (Vācijā) uz Melno jūru šķērso desmit Eiropas valstis, no kurām sešas ir ES dalībvalstis.