Etymology and distribution of 赤岩.

Akaiwa 【赤岩】^{レベル5
About 3,000}  The Japanese surnames etymology dictionary.

Okayama-ken , Niigata-ken , Nagano-ken .

① Topography . From the red swamp. Okayama-ken Kurashiki-shi Tamashima Oshima is based. Okayama-ken Okayama-shi Kita-ku Okayama Samurai in the Edo period in the Edo period, Ehime-ken Seiyo-shi Uwa cho Meiwa, Shiga-ken Konan-shi stone section, Gunma-ken Takasaki-shi Minoucho cho Higashi- It was in the Warring States Period as the vassal of Mr. Nagano who was the castle owner of Minowa castle.

※ Tell her that the descendant of Mr. Chiba called from Akazawa of the southern part of Kyouto-fu (formerly Yamashiro country). Period, location unknown. 千葉 Chiba reference.

② Shizuoka-ken Itou-shi Origin of Akazawa. A place name with a record since the Warring States Period. Shizuoka-ken Shizuoka-shi Aoi-ku Akazawa is a stopover. A place name with a record since the Edo period. Tell the place name that Mr. Akazawa stayed.

③ Iwate-ken Shiwa-gun Shiwa-chou Origin of Akazawa. A place name with a record since the Warring States Period.

④ Iwate-ken Iwate-gun Shizukuishi-chou Origin of Mika Akazawa (Akasaka). It is distributed in the same place.