Final answer:
The Sea of Japan lies between Japan and mainland Asia. The Pacific Ocean is to the east of Hokkaido and Honshu. China and South Korea are located near Japan. Russia is the large country to the north of Japan.
Step-by-step explanation:
The sea between the islands of Japan and mainland Asia is the Sea of Japan. The ocean that lies to the east of the islands of Hokkaido and Honshu is the Pacific Ocean. Two countries located near Japan are China and South Korea. The large country that sits to the north of Japan is Russia.
Learn more about Japan's geography