| Answer | Crossword Clue |
|---|---|
| YSSEL | Zuider Zee lake. |
| DIKE | Zuider Zee barrier |
| DIKE | Zuider Zee sight |
| AMST | Zuider Zee port: Abbr. |
| EDAM | Port on Zuider Zee. |
| AMST | Zuider Zee city: Abbr. |
| EDAM | City near Zuider Zee. |
| EDAM | Town near the Zuider Zee |
| YSSEL | River into the Zuider Zee. |
| AMST | City on the Zuider Zee: Abbr. |
| AMSTERDAM | Port on Zuider Zee, occupied by Nazis. |
