The Cathedral of Córdoba (Our Lady of the Assumption; Spanish: Nuestra Señora de la Asunción) is the colonial cathedral church of the Roman Catholic Archdiocese of Córdoba, Argentina, and the oldest church in continuous service in Argentina. This ecclesiastical temple is the oldest intact and functional colonial construction in Argentina. Thus, this building is one of the most valuable architectural heritage in Argentina. For these reasons it is a National Historic Monument, three blocks from the Jesuit Block, which is a World Heritage Site in accordance with the UNESCO.