The Alcázar de San Juan is a historic fortress located in the town of Alcázar de San Juan, in the province of Ciudad Real, Spain. Originally built in the 12th century, it served as a strategic military stronghold during the Reconquista. The structure showcases a blend of architectural styles, reflecting its long history and various renovations. Today, the Alcázar is a popular tourist attraction, offering visitors a glimpse into Spain's medieval past. The site features impressive walls, towers, and remnants of its original design, making it an important cultural landmark in the region.