
1) Castle in Saxony-Anhalt
Found on
https://www.crosswordclues.com/clue/ilsestein

The Ilsestein rises about 150 metres high over a little river, the Ilse, and lies at an elevation of {Höhe|474|DE-NN|link=true}. In the 10th century, there was a small siege castle on the Ilsestein immediately after the conversion of the old Ilsenburg castle into the Ilsenburg Abbey. It was destroyed around 1107 after lasting around a hundred yea...
Found on
http://en.wikipedia.org/wiki/Ilsestein
No exact match found.