The town was originally called Opatkowice; its name was changed in 1558, in honor of the village of Zakliczyn, Myślenice County, which was ancient seat of the Jordan family.
Orașul a fost numit inițial Opatkowice, numele său a fost schimbat în 1558, în onoarea satului Zakliczyn, județul Myślenice, care a fost sediul vechi al familiei Iordan.