De Osma a la Orden de Santiago Historical milestone · Beas de Segura, Sierra de Segura, Jaén Image of Beas de Segura, not of the place itself. On 12 April 1235 Fernando III handed Beas over to the bishop of Osma; on 30 November 1239 the place was exchanged to the Order of Santiago, which in 1512 granted it a free market on Thursdays. Photo: MottaW (CC BY-SA 4.0) What to see and do in Beas de Segura