
1) Uninhabited island of Germany
Found on
https://www.crosswordclues.com/clue/walfisch

Walfisch is an uninhabited German island, in the Bay of Mecklenburg in the Baltic Sea. It lies between the city of Wismar (roughly 4.5 km north) and the island of Poel. The very flat island has a maximum circumference of ca. 500 × 300 metres, a surface area of 20 hectares and is a nature reserve. == History == During the Thirty Years` War there ....
Found on
http://en.wikipedia.org/wiki/Walfisch
No exact match found.