The Cathedral of Our Lady Immaculate of the Roman Catholic Archdiocese of Monaco in Monaco-Ville, Monaco, where many of the Grimaldis were buried, including Grace Kelly and Rainier III. Also inside the church, one can observe a relic of Sainte-Devote, patron saint of the city and protector of the royal family.
In 1875, Prince Charles III laid the foundation stone. Dedicated to Our Lady of the Immaculate Conception, its secondary patrons are Saint Nicholas and Saint Benedict. The cathedral was consecrated on 11 June 1911.