Etymology and distribution of 安久原.

Akuhara 【安久原】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu .

Origin of Hyougo-ken Akou-shi . Place name with a record in 747 (Tenpyo 19 years).

② Nagano-ken has a distribution including akao. A variant of the 赤尾 tail. Gunma - ken Takasaki - shi In Negishi - machi tells that it changed from Akaosu family name in 1624 to 1644 (Kanaya year). 赤尾 Akao reference.