The Château de Montsoreau is a historic castle located in the Loire Valley of France. Built in the 15th century, it is unique for being constructed directly in the water of the Loire River. The castle showcases a blend of Gothic and Renaissance architectural styles, making it a significant example of the region's rich history. Today, the château serves as a museum and cultural center, featuring exhibitions on art and history. It is also recognized as a part of the Loire Valley UNESCO World Heritage Site, attracting visitors who are interested in exploring its beautiful surroundings and historical significance.