Poland has many cities with "main market squares". They probably meant this: https://en.wikipedia.org/wiki/Main_Square,_Krak%C3%B3w https://en.wikipedia.org/w

Poland has many cities with "main market squares". They probably meant this: https://en.wikipedia.org/wiki/Main_Square,_Krak%C3%B3w https://en.wikipedia.org/wiki/Main_Square,_Krak%C3%B3w