Japan Information Network's page for Yamaguchi Prefecture contains links to all of the offical city homepages in English in Yamaguchi. These cities are highlighted on this page's map of Yamaguchi, so you can get an overview of where different places are. An inset map of Japan gives an idea of Yamaguchi's location. The pull-down menu cross-references you to other prefectures in the Chugoku Region.
http://www jinjapan org/region/pref/yamaguchi html (added 2002-02-26)