The Castillo de Carlos V is a historic fortress located in the town of Alhucemas, in northern Morocco. Built in the 16th century, it was commissioned by King Charles V of Spain to protect the coastline from pirate attacks and to assert Spanish power in the region. The castle features a unique circular design and thick stone walls, showcasing Renaissance military architecture. Today, the castle stands as a significant cultural landmark, attracting visitors interested in history and architecture. Its strategic position offers stunning views of the surrounding landscape and the Mediterranean Sea, making it a popular destination for tourists exploring the rich heritage of the area.