- "In times long past, the people of Japan found their Gods in all things. Nature was their temple."
- —Nyssa al Ghul[src]
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south. It is also the country that Maseo Yamashiro, Tatsu Yamashiro and Akio Yamashiro are from. The inhabitants of Japan spoke Japanese language.
- Akio Yamashiro (moved to Hong Kong, China; prior to his death)
- Maseo Yamashiro (moved to Hong Kong, China; prior to his death)
- Nyssa al Ghul