Europe's Danube River, originating in Germany's Black Forest, flows through a record 10 countries, connecting Central and Eastern Europe. This vital waterway, a continental connector, has historically served as a boundary and trade route, now linking four national capitals. Its extensive basin and delta support rich biodiversity, while modern canals and dams highlight its ongoing economic and ecological significance.source https://timesofindia.indiatimes.com/life-style/travel/destinations/from-germany-to-the-sea-the-river-that-crosses-10-countries/articleshow/127827963.cms