sentences:  The municipality covers an area of 136.05 km² and lies 772 meters above sea level.Its municipal term is formed by the localities of Berganciano, El Campo de Ledesma, Gejo de los Reyes, Moscosa and Gusende and Villaseco de los Reyes.The foundation of Villaseco dates back to the Middle Ages, obeying the repopulations made by the Leonese kings in the High Middle Ages, and leaving the town in the jurisdiction of Ledesma since the creation of its alfoz by Fernando II de León in the twelfth century, as well as in his archdeaconry.