Castle of Vila Viçosa

Vila Viçosa, Portugal, Portugal

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Castle of Vila Viçosa in Vila Viçosa, Portugal, began as a 13th-century Gothic fortress initiated under King Afonso III after the town's 1270 charter and completed by King Dinis, featuring a square layout with 60-meter walls, paired cylindrical corner towers, and integration into medieval town defenses encircling three gates.

Transformed in the 16th century by the Dukes of Braganza—starting with Jaime de Bragança's Manueline bastions and moat, then Teodósio I's artillery adaptations by Italian engineer Benedetto da Ravenna—it resisted Spanish assaults during the 1665 Battle of Montes Claros in the Restoration War, with later star-shaped polygonal walls by Cosmander.

Adjacent to the grand Renaissance Ducal Palace housing Braganza treasures, the well-preserved ruins blend military evolution from Reconquista to early modern eras atop a strategic hill.