St. Olav's Cathedral
Oslo Municipality, Norway · built 1852
St. Olav's Cathedral (Norwegian: Sankt Olav domkirke) is the cathedral of the Roman Catholic Diocese of Oslo and the parish church of St. Olav's parish in Oslo, Norway. The cathedral has church services and masses in Norwegian and several other languages, including English and Polish.
Cathedral data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).