The Maribor Cathedral is dedicated to Saint John the Baptist, being the seat of the Roman Catholic Archdiocese of Maribor. It is the resting place of the Bishop Anton Martin Slomšek, an advocate of Slovene culture.
The originally Romanesque building dates to the late 12th century. In the Gothic period, it got a rib vault, a larger choir and two side naves, whereas in the Baroque period, it got the chapel of Saint Francis Xavier and the chapel of the Holy Cross.