Etymology and distribution of 当流谷.

Touryuudani 【当流谷】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Hyougo-ken , Oosaka-fu . Hyougo-ken Sayou-gun Sayou-chou Hiramatsu is based. There is a 春名 surname in the same place. Chiba-ken Kimitsu-shi Tell Kamitsuki that it is a pioneer. 春名 Haruna reference.

※ Later Han series . Osaka-fu Eastern (formerly Kawachi-kuni) had a family name of Chuntunai in the Heian period.

Touryuutani 【当流谷】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

温井 Nukui reference.

Toryuudani 【当流谷】^{レベル2
About 40}  The Japanese surnames etymology dictionary.

Kagoshima-ken Kagoshima-shi . It was in the Edo period in Kagoshima-ken Kagoshima-shi .