The river that runs through the Danube Basin is the Danube River itself. Originating in Germany, it flows through several Central and Eastern European countries, including Austria, Slovakia, Hungary, and Romania, before emptying into the Black Sea. The Danube Basin is significant due to its rich history, having played a vital role in shaping trade, culture, and political borders in Europe. It supports numerous ecosystems and is often regarded as a key transit route for goods and diverse cultures, making it an important geographical feature.