Windsor Castle is a medieval fortress located in Windsor, Berkshire, England. The castle's history dates back over 900 years, and it has been a favored royal residence for generations. It is the oldest and largest inhabited castle in the world, with over 1,000 rooms. The castle's architecture is a mix of medieval and Gothic styles, with towers, battlements, and a grand quadrangle. The State Apartments, which are used for official events, are open to the public, as is the Castle's Precincts, which feature the magnificent St. George's Chapel. The castle is also home to the famous Round Tower, which houses the Royal Archives and the Crown Jewels. The Queen's Gallery showcases an impressive collection of art, and the Seminary Gardens offer a peaceful retreat. Windsor Castle is a working royal palace, and it is often used for official events and ceremonies, making it a unique and fascinating attraction.