After searching the web for many, many hours and not finding this village anywhere, I finally thought to check on Polish letters and how they correspond to English sounds. In so doing, I found the village of Wioska which I believe it the village Viosk from the book. It's just a little south and west of Poznan, quite a bit north and slightly west of Wroclaw.
The wedding takes place in Viosk.
Viosk.
The wedding takes place in Viosk.
no
a breakfast celebrated in holland Germany