Iga Ueno Castle is a historic Japanese castle located in Ueno Park, Iga City, Mie Prefecture. Originally built in the late 16th century, it served as a strategic military stronghold. The castle is known for its unique architecture, featuring a wooden structure and a distinctive three-story main keep. Today, Iga Ueno Castle is a popular tourist destination, offering visitors a glimpse into Japan's feudal past. The castle grounds include beautiful gardens and a museum that showcases artifacts related to the Iga ninja tradition, highlighting the area's rich cultural heritage.