It is a Japanese castle in Chuo-ku, Osaka. The castle is one of Japan's most famous monuments and played an important role in the unification of Japan during the sixteenth century of the Azuchi-Momoyama period.
Osaka aquarium
It is an aquarium located in Minato, near Osaka Bay. It is one of the largest public aquariums in the world, and is a member of the Japanese Zoos and Aquariums Association (JAZA).