Renfe Operadora (Spanish pronunciation: [ˈreɱfe opeɾaˈðoɾa]) is the state-owned company which operates freight and passenger trains on the 1668-mm "Iberian gauge", 1435-mm "European gauge" and 1000-mm "Metre Gauge" networks of the Spanish national railway infrastructure company ADIF (Administrador de Infraestructuras Ferroviarias—Railway Infrastructure Administration).