The Danube River flows into the Black Sea.
This river is Danube.
The main tributaries of the Danube River include the Inn, Drava, Sava, Tisza, and Morava rivers. These tributaries originate in various countries along the river's course, contributing significantly to its flow and overall water volume.
The River Danube is a natural bridge, meaning it flows under and around land masses, connecting various regions and cities along its path.
The river Volga is longer than the river Danube. The Volga is the longest river in Europe, spanning approximately 2,294 miles (3,702 kilometers), while the Danube flows for about 1,785 miles (2,872 kilometers).
The Indus river flows into the Arabian Sea, to the west of the Indian Peninsular, or in a wider sense, it flows into the Indian Ocean.