Marvão Castle is a historic fortress located in the Alentejo region of Portugal. Built in the 13th century, it sits atop a high hill, offering stunning views of the surrounding landscape. The castle features well-preserved walls, towers, and a keep, showcasing the architectural style of the period. The castle played a significant role in the defense against invasions, particularly during the Reconquista. Today, it is a popular tourist destination, attracting visitors who come to explore its rich history and enjoy panoramic views of the nearby Serra de São Mamede Natural Park.