Katsuyama Castle is a historic Japanese castle located in Fukui Prefecture. Originally built in the late 16th century by Tachibana Muneshige, it served as a strategic military stronghold. The castle features a unique architectural style and is surrounded by beautiful natural landscapes, making it a popular tourist destination. Today, the castle is partially reconstructed, allowing visitors to explore its grounds and learn about its history. The site also includes a museum that showcases artifacts related to the castle and its former inhabitants, providing insight into the region's feudal past and the significance of Katsuyama Castle in Japanese history.