PORTS
Japanese Ports
World Ports (North & South Americas)
World Ports (Europe)
World Ports (Africa/Middle East)
World Ports (Asia/Oceania)
Information
Here are links to websites of Japanese & World majoy seaports.
Also, you can search information on major seaports at the following websites.
国際港湾協会 (IAPH: The International Association of Ports and Harbors)
Denton Cruisemedia Ltd
Ports. com
Port Focus
World Port Source
World VTS Guide