it is pronounced "Yerzy" and is spelled Jerzy. there are two other possibilities but i do not know how to spell or pronounce them.
"John" in Polish is "Jan."
The name John in Polish is "Jan."
Polish in Polish is "Polski".
The name "John" in Polish is spelled as "Jan."
To say Jonathan in Polish, you would say "Janusz."
"No" in Polish is "Nie".
To say "uncle" in Polish, you would say "wujek."
To say "June" in Polish, you would say "czerwiec."
You can say "the end" in Polish as "koniec."
this is how you say today in polish: dzisiaj :PPP
This is how you say five in Polish: Pięć
You say "hope" in Polish as "nadzieja".