France is home to thousands of castles, many of which date back to the Middle Ages. These structures were built for defense, residence, and as symbols of power. Notable examples include the Château de Chambord and the Palace of Versailles, showcasing stunning architecture and rich history. Many of these castles are located in picturesque regions like the Loire Valley, known for its beautiful landscapes and vineyards. Today, many castles are open to the public, offering tours that highlight their historical significance and architectural beauty, making them popular tourist attractions.