The four sesmas of the Community Historical milestone · Molina de Aragón, Señorío de Molina, Guadalajara Since the Middle Ages, after the Señorío de Molina was established around 1139, its territory was organized into four sesmas -del Campo, del Sabinar, del Pedregal and de la Sierra- grouped under the Comunidad del Real Señorío y su Tierra. The institution administered communal woodlands and pastures and still exists today with the mayors of its villages. siglo XII Photo: CarlosNanuk (CC BY-SA 4.0) What to see and do in Molina de Aragón