Sea of Japan Maps

The Facts:
Area: 378,000 sq mi (978,000 sq km).
Max. depth: 3,742 m (12,277 ft).
Countries: Japan, Russia, South Korea, North Korea.
Major ports and cities: Niigata, Kanazawa, Toyama, Akita, Nagaoka, Vladivostok, Chongjin, Busan, Wonsan, Nakhodka.