Etymology and distribution of 赤玉.

Akadama 【赤玉】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Miyagi-ken , Hokkaidou , Fukushima-ken .

① Origin of Yamaguchi-ken Shimonoseki-shi (old: Akama). A place name with a record since the Kamakura period. Iwate - ken Shiwa - gun In Shiwa - chou tell Yamaguchi - ken Shimonoseki - shi the descendant of the Heike Frater who came back after Dannoura 's battle that was in 1185 (2 years old and 4 years old). 平 Taira reference.

② Tochigi-ken Tochigi-shi Birth of Akama, Fujioka Town. The name of a place with a record in the notation of "Shimen" during the Heian period. Tochigi-ken Tochigi-shi In Omiyacho told that it was renamed from Omiya surname in 1574 (Tensho 2 years). 大宮 Oomiya reference.