Etymology and distribution of カアン.

Kaan* 【カアン】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ishikawa-ken , Toyama-ken , Hokkaidou .

① There is a word in a word meaning "corner". Ishikawa-ken Nanao-shi There are Kojatajima in Uchiura- machi's underwear. Hiroshima - ken Kure - shi Toyotomachi Odori tells that he changed his pronunciation from Kato to Kawatari because he is confused with Kato surname of the same place. Estimated in the Tokyo era.

② Chiba-ken Yotsukaidou-shi Originated in Shikata (Shikaatashi). A place name with a record since the Edo period. The place name also pronounced Shishiwatashi.

③ Ainu system . Hokkaidou Hidakashi-chou Shinhidaka-chou has a distribution in the stillness .