Mito-Shi 19 Hitachi City 7 Tsuchiura-Shi 9 Koga 2 Ishioka-Shi 4 Ryugasaki-Shi 3 Shimotsuma-Shi 2 Joso-Shi 1 Kasama City 1 Toride City 2 Ushiku 6 Tsukuba-Shi 29 Hitachinaka-Shi 7 Kashima-Shi 2 Itako 2 Moriya-Shi 7 Chikusei 3 Inashiki City 1 Sakuragawa 1 Kamisu-Shi 7 Hokota 1 Omitama-Shi 4 Higashiibaraki-gun, Ibaraki-machi 1 Oarai-Machi 2 Tokai Village 1 Ami-Machi 42 Sarushima District 1