St. George's Basilica, Prague
Prague 1, Czech Republic
St. George's Basilica (Bazilika sv. Jiří) is the oldest surviving church building within Prague Castle, Prague, Czech Republic. The basilica was founded by Vratislaus I of Bohemia in 920. It is dedicated to Saint George. Primarily Romanesque in style, it is part of the collection of buildings that comprise the castle, the political capital of the nation, and the spiritual center of the Czech state.
Church data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).