Guildford Castle is a historic site located in Guildford, Surrey, England. Built in the 11th century, it was originally constructed as a defensive fortress by the Normans. The castle features a large keep, which offers panoramic views of the surrounding area, and is surrounded by beautiful gardens that are open to the public. Today, Guildford Castle is a popular tourist attraction, showcasing its rich history through informative displays. Visitors can explore the castle grounds, learn about its significance in medieval times, and enjoy the scenic views from the top of the keep.