| Answer | Crossword Clue |
|---|---|
| HRON | River in Czechoslovakia, Danube tributary. |
| RAAB | River in Hungary, tributary of Danube. |
| ENNS | River in Austria, tributary of the Danube. |
| ARGES | Rumanian river, tributary of Danube. |
| MARCH | River between Slovakia and Austria, Danube tributary. |
| ISER | Elbe tributary in Czechoslovakia |
