Paderne Castle is a historic fortress located in the Algarve region of Portugal. It dates back to the 12th century and was built by the Moors during their rule in the Iberian Peninsula. The castle is situated on a hilltop, providing strategic views of the surrounding landscape. The castle features impressive stone walls and remains of towers, showcasing the architectural style of the time. It played a significant role in the Reconquista, the period when Christian kingdoms sought to reclaim territory from the Moors. Today, Paderne Castle is a popular tourist attraction, offering visitors a glimpse into the region's rich history.