Danzig !! there are so many thieves and Polish people tried to cheat tourists all the time .
Everywhere in the world where there are tourists there are thieves. (Travel rule #1)
Be careful!! and don't talk with anyone who comes closer.
don't change money with the man on the street ,go to KANTOUR
You should never ever
change money anywhere else than in an exchange office or bank. (Travel rule #2)