| Answer | Crossword Clue |
|---|---|
| ODER | River forming part of German-Polish border. |
| MOSELLE | River forming part of the German-Luxembourgian border |
| ODER | Polish-German border river |
| ODER | German-Polish border river |
| NEISSE | German-Polish border river |
| ODER | River on Polish-German border. |
| ODER | River along the German-Polish border. |
