Ljubljana Cathedral (Slovene: Ljubljanska stolnica), also named Saint Nicholas' Church (cerkev svetega Nikolaja, šenklavška cerkev), Saint Nicholas' Cathedral (Slovene: Stolnica svetega Nikolaja), the Cathedral of Saint Nicholas, or simply the Cathedral (Stolnica), is a cathedral in Ljubljana, the capital of Slovenia. Originally, Ljubljana Cathedral was a Gothic church. In the early 18th century, it was replaced by a Baroque building.