The Castle of San Martín is a historic fortress located in the province of Ávila, Spain. Built in the 15th century, it served as a defensive structure during the turbulent times of the Reconquista. The castle features robust stone walls and a strategic position that offers panoramic views of the surrounding landscape. Today, the Castle of San Martín is a popular tourist attraction, showcasing its well-preserved architecture and rich history. Visitors can explore its towers and battlements, gaining insight into medieval military life and the significance of fortifications in the region.