The Castle of Segura de la Sierra is a historic fortress located in the province of Jaén, Spain. Built in the 13th century, it served as a strategic military stronghold during the Reconquista, a period when Christian kingdoms sought to reclaim territory from Muslim rule. The castle features impressive stone walls and towers, offering panoramic views of the surrounding landscape. Today, the castle is a popular tourist attraction, showcasing its well-preserved architecture and rich history. Visitors can explore its various sections, including the main keep and defensive walls, while learning about the castle's role in regional conflicts and its significance in Spanish history.