Countries Bordering Japan: Maritime Neighbors Only

Japan is an island nation with no land borders. It shares maritime boundaries (Exclusive Economic Zones) with four countries:

1. Russia — North/Northwest (Sea of Okhotsk, Kuril Islands dispute).
2. South Korea — West (Korea Strait / East Sea).
3. China — West/Southwest (East China Sea, Senkaku/Diaoyu dispute).
4. North Korea — West (Sea of Japan / East Sea).

Maritime Borders

• Pacific Ocean — East & South.
• Sea of Japan / East Sea — West.
• East China Sea — Southwest.
• Sea of Okhotsk — North.

Nearby (No Formal EEZ Border)

• Taiwan (close to Yonaguni Island).
• Philippines (far south).
• USA (Guam, CNMI — far southeast).

Japan's territory: 4 main islands (Honshu, Hokkaido, Kyushu, Shikoku) + ~14,000 smaller islands.