Sayn Castle, known as Burg Sayn, is a historic castle located in the Rhineland-Palatinate region of Germany. It was originally built in the 12th century and has undergone various renovations over the years. The castle is situated on a hill overlooking the Sayn River, providing a strategic vantage point. Today, Sayn Castle serves as a museum and cultural site, showcasing artifacts and exhibits related to its history. The castle grounds also feature beautiful gardens, making it a popular destination for visitors interested in history and architecture.