Postoloprty (Czech pronunciation:[ˈpostolopr̩tɪ]; German:Postelberg) is a town in the Ústí nad Labem Region of the Czech Republic, situated about 7km west of Louny. It has around 5,000 inhabitants.
A monastery named Porta Apostolorum had been built in the 12th century, a name which developed into Postelberg, as the remaining settlement it was called by the local German-speaking population of Bohemia that was expelled in 1945.