The change from Sierpe to Campo Historical milestone · Herguijuela del Campo, Guijuelo, Salamanca Image of Herguijuela del Campo, not of the place itself. The municipality was called Herguijuela de la Sierpe until the 1920s, when it adopted the present name of Herguijuela del Campo; its foundation goes back to the fourteenth century, within the quarter of Peña del Rey of the jurisdiction of Salamanca. años 1920 Photo: Hovallef (CC BY-SA 4.0) What to see and do in Herguijuela del Campo