Etymology and distribution of 玄角.

Genkaku 【玄角】^{レベル2
About 20}  The Japanese surnames etymology dictionary.

Ishikawa-ken , Ooita-ken , Kagoshima-ken Ooshima-gun Kikai-chou .

① 酒井 surname is present.

② Kagoshima-ken Originated in the Kikai town of Oshima-gun. A place name with a record since the Edo period. "As for the Asuka committee with records in the Asuka period, the same place is the place of comparison. One letter surname of Amagi archipelago of Kagoshima-ken that used "world" of Kikito.