This huge Franciscan church has splendorous ornate interior. The adjacent monastery building houses a section of the National Museum.
Wikipedia https://fr.wikipedia.org/wiki/Église_de_la_Sainte-Trinité_de_Gdańsk
Phone +48 58 320 79 80
Address ul. Świętej Trójcy 4 82-822 Gdańsk, Poland
Coordinates 54°20'45.031" N 18°38'49.954" E