Castillo de Monteagudo de las Vicarias represents a Gothic Renaissance fortress built by the prominent Hurtado de Mendoza family during the 15th and 16th centuries in Soria's Tierra de Medinaceli region. Its pentagonal form perfectly adapts to the hillside where the fortified village stands, with towers of varied shapes at its angles, notably a distinctive circular tower that appears octagonal at its base. Located on the frontier between the medieval kingdoms of Aragón and Castilla, the castle held strategic importance for centuries in border control and governance. Since its legal protection in 1949 and the village's designation as one of Spain's Most Beautiful Villages in 2019, this well-preserved structure has become a valued heritage site reflecting centuries of medieval border politics and architectural achievement.