Church of St. Andrew - Credit: Wikimedia Commons
The Church of St. Andrew in the Old Town district of Kraków, Poland () located at Grodzka Street, is a historical Romanesque church built between 1079 and 1098 by a medieval Polish statesman Palatine Sieciech. It is a rare surviving example of the European fortress church used for defensive purposes. Read more on Wikipedia
Source: en.wikipedia.org