Yamaguchi prefecture is located at the west end of Honshu, the main island of Japan. The climate is mild. Surrounded on three sides by the sea, it is a scenic area. It is also a good place to taste fugu (blowfish) and other marine products.
Where is Yamaguchi?
Web site of KDD Ishin hall (conference site) (in Japanese only) here
It is possible to approach the center of Yamaguchi by domestic air from Tokyo (Haneda Airport) and by super-express Shinkansen from Osaka. Access by air, train, etc. can be confirmed from the following links.
Access from outside Yamaguchi https://www.visit-jy.com/en/access/From overseasAirwaysRailways