The name of the large river flowing through Germany is the Danube. The Danube is Europe's second-longest river and travels through multiple countries before emptying into the Black Sea. It holds significant historical importance, serving as a vital trade route throughout history. Flowing through major German cities such as Munich and Regensburg, the Danube provides recreational opportunities, including boating and fishing. The river's cultural significance is also notable, with numerous castles, vineyards, and picturesque landscapes along its banks attracting tourists.