Winchester Castle is a historic castle located in Winchester, England. Built in the 11th century by William the Conqueror, it served as a royal residence and a center of administration. The castle features impressive architecture, including the Great Hall, which houses the legendary Round Table associated with King Arthur. Today, Winchester Castle is a popular tourist attraction, showcasing its rich history and beautiful surroundings. Visitors can explore the Great Hall and learn about the castle's role in English history, including its significance during the medieval period and its connection to various monarchs.