In the 1502 edition Krakow is described as "Croca Vistula" and wrongly placed Krakow within Germany in "Quatuor Urbes Tetragonales Germaniae" (four cities across each other in Germany), see link below.
In the 1502 edition Krakow is described as "Croca Vistula". However Celtes made a mistake and placed Krakow wrongly within Germany in "Quatuor Urbes Tetragonales Germaniae" (four cities across each other in Germany), see link below.