From Stamps of the World
Plzeň or Pilsen is a is a city in western Bohemia in the Czech Republic. About 90 km (56 miles) west of Prague, it is the fourth most populous city in the Czech Republic. The city is known worldwide for Pilsner beer, created by Bavarian brewer Josef Groll here in 1842. It was designated as a European Capital of Culture in 2015 along with Mons (BE), commemorated on a stamp.