Aínsa Castle is a historic fortress located in the town of Aínsa, in the Aragón region of Spain. Built in the 11th century, it served as a strategic military stronghold during the Reconquista. The castle features a mix of Romanesque and Gothic architectural styles, with impressive stone walls and towers that offer panoramic views of the surrounding landscape. The castle is part of the Aínsa-Sobrarbe region, known for its rich history and natural beauty. Visitors can explore the castle grounds and learn about its significance in medieval times. Today, Aínsa Castle is a popular tourist attraction, drawing history enthusiasts and nature lovers alike.