Four major ports in Japan

1. Osaka Port: Osaka Port is located between KAWA Nakajima and KAWA Estuary on the southwest coast of Honshu, Japan, near the northeast side of Osaka Bay, and is one of the five largest container ports in Japan.

2. Kobe Port: Kobe Port is a particularly important harbor in Kobe City, Hyogo Prefecture, Japan. As one of Japan's major international trade ports (five major ports), it is also designated as a super hub port like Osaka Port.

3. Yokohama Port: Yokohama Port is located on the west side of Tokyo Bay in the middle of Honshu, Japan, and its mouth is close to the East China Sea. Yokohama is located on the west bank of Tokyo Bay, less than 10 km apart. It is connected with Tokyo in the south and Kawasaki in the north.

4. Tokyo Port: As a transportation node between the metropolitan area and domestic and foreign countries, the hinterland of Tokyo Port is the Tokyo Circle with a population of 30 million and its surrounding areas such as Kanto and Jiaxin Yue. It has a sea area of 5453 hectares, a land area of 1080 hectares, and 24 domestic and foreign trade terminals, with a total of berths 1 15, including 4 container terminals and 6 container berths 16.

I hope the above information is helpful to you.