The oldest communist party in Peru is the Peruvian Communist Party ("Partido Comunista Peruano"), founded in 1928, by José Carlos Mariátegui, under the name Socialist Party of Peru ("Partido Socialista del Perú"). In 1930, the name was changed to Peruvian Communist Party. Jorge Del Prado was the party's General Secretary between 1966 and 1991. Currently, the General Secretary is Roberto de la Cruz. The main political base of PCP-Unidad is currently located at Plaza Ramón Castilla, Lima and is led by Renán Raffo Muñoz. PCP publishes "Unidad" ("Unity") and "Nuestra Bandera" ("Our Banner").