If you're planning a bit of sightseeing during your trip, head to náměstí Republiky— just one of the monuments in central Old Town Plzen. You could also start your cultural experience by heading over to the museums in the area.
If you want to see the cathedral in Old Town Plzen, head to St. Bartholomew's Cathedral, in the centre of town. You could also start your cultural experience by heading over to the museums in the area.