| Countries |  | |
|---|---|---|
| Cities | ||
| Tributaries | ||
| Canals | ||
| See also | ||
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- Countries need to be internationally recognized and at least border the Danube.
- Cities should have at least a population of 100,000.
- Tributaries should be at least 200 km (120 mi) in length.
Cities or tributaries that don't meet these criteria should be historically, geographically or politically notable, and the articles should be more than stubs. Passau is included under these conditions.