overview about the place Kostnické náměstí/Square is probably the most picturesque square in Žižkov. It gets its name from the German city of Kostnice (Konstanz), where the church council met in 1415 and sentenced Czech church reformer Jan Hus to death by burning. The name is a reminder of the connection between the Žižkov district and the Hussite events of the 15th century. more about the place The square was established in 1889, and its name refers to the city on the Rhine where Jan Hus was tried and burned at the stake in 1415. The center of the square was once adorned by a small park where even exotic plants were grown. Since 2019, a café has been located there.