Präfektur Ibaraki : Wichtige Städte

Ami, Bando, Chikusei, Hitachi, Hitachinaka, Hitachiomiya, Hitachiota, Hokota, Inashiki, Ishioka, Joso, Kamisu, Kasama, Kashima, Kitaibaraki, Koga, Mito, Moriya, Naka, Omitama, Ryugasaki, Sakuragawa, Shimotsuma, Toride, Tsuchiura, Tsukuba, Tsukubamirai, Ushiku, Yuki.