Osaka's famous attractions Osaka Castle, alongside Nagoya City and Kumamoto City, are among the three major cities in Japanese history. Toyoson Sioji was defeated by Tokugawa Kakamura, and his Osaka Castle was destroyed, which is the later Osaka Castle. It is also 400 years old. Tianshou Pavilion is also a large historical site in Japan. It is one of the must-see attractions in Japan. It is quite good.