| Answer | Crossword Clue |
|---|---|
| ODER | Part of the Poland-Germany border |
| ODER | It forms part of the Poland-Germany border |
| NEISSE | River that forms part of the border between Germany and Poland |
| RHINE | Part of the border of France and Germany |
| ELBE | River that formed part of the border between East and West Germany |
| ODER | Poland-Germany border river |
