The smallest municipality in Castilla-La Mancha Curiosity · El Puente del Arzobispo, La Campana de Oropesa, Toledo At barely 0.98 square kilometres, El Puente del Arzobispo is the smallest municipality in Castilla-La Mancha and one of the smallest in Spain, with a density of over a thousand inhabitants per square kilometre. Photo: 19Tarrestnom65 (CC BY-SA 4.0) What to see and do in El Puente del Arzobispo