The Osaka International Peace Center, commonly known as Peace Osaka, stands within Osaka Castle Park as a distinctive monument to peace and remembrance. Completed in 1991, this multifunctional facility was designed by Coelacanth architects in collaboration with the Osaka City Urban Development Bureau's Construction Division. Serving simultaneously as office space, a performance hall, and a museum dedicated to documenting wartime history and promoting peace education, the building embodies both architectural innovation and cultural significance. Its design thoughtfully integrates with the historic surroundings while creating a modern space for contemplation and learning, making it an essential destination for architecture enthusiasts interested in contemporary Japanese cultural institutions.