| Key | Value |
| CEMT | VII |
| admin_level | 2 |
| boat | yes |
| border_type | territorial |
| boundary | administrative |
| description | Border România (Romania) - България (Bulgaria) |
| name:bg | Дунав |
| name:cs | Dunaj |
| name:de | Donau |
| name:en | Danube |
| name:fr | Danube |
| name:hu | Duna |
| name:nl | Donau |
| name:pl | Dunaj |
| name:ro | Dunărea |
| name:sk | Dunaj |
| name:sr | Дунав |
| source | Military maps |
| waterway | river |