Wīsle-land
Bosworth & Toller Anglo-Saxon Old English Dictionary - wīsle-land
According to the Old English Dictionary:
es;
- Wīsle-land
- n. The land in which the Vistula rises, part of Poland :-- Be eástan Maroara londe is Wīslelond, Ors. I. l ; Swt. 16, 17. wisle-land