The Sociedad Filantrópica in Buenos Aires Historical milestone · El Royo, El Valle y La Vega Cintora, Soria Image of El Royo, not of the place itself. Straddling the 19th and 20th centuries, emigrants from El Royo and Derroñadas founded in Buenos Aires the Sociedad Filantrópica de El Royo y Derroñadas, which sent money to the valley for schools and public works and financed the mansions of the indianos (returning emigrants). finales del siglo XIX Photo: LBM1948 (CC BY-SA 4.0) What to see and do in El Royo