One former cathedral remains in Catholic use : the Sint-Maartenskerk, dedicated to Saint Martin, also in Groningen, is now Protestant church; the Sint-Vituskerk, dedicated to Saint Vitus, in Leeuwarden (Friesland province, most of Dutch Frisia) is only rarely frequented by a small community of faithful from an old orphanage.
One remaining former church is still used by Catholics : the Sint-Maartenskerk, dedicated to Saint Martin, also in Groningen, has become a Protestant church; the Sint-Vituskerk, dedicated to Saint Vitus, in Leeuwarden (Friesland province, most of Dutch Frisia) is only occasionally attended by a small group of devoted followers from an old orphanage.