Etymology and distribution of 古其.

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

Nagano-ken , Toukyou-to , Hokkaidou . Distribution including Sawado as well. Sawado at Nagano-ken .

① Nagano-ken Kitaadzumi-gun Hakuba-mura Origin of Shrine Sawadari (Sawado). A place name with a record since the Edo period. There was Sawadake castle in Muromachi period on the same day.

② Nagano-ken Kiso-gun Kiso-machi Originated Misato Sawadori (Sawado). It is distributed in the same place.

③ Nara-ken Yoshino-gun Totsukawa-mura Originated from Sawa - woji Suginami's small character.

④ Shiga - ken Nagahama - shi Kuroda is based in Kinomoto cho.

※ Tell Kyouto-fu Kyouto-shi from Shiga-ken 's Sawadari. Period, location unknown.

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

Kanagawa-ken , Toukyou-to .

① Convention . 沢地 variant of. Kanagawa-ken Odawara-shi Distributed in Kuwabara.

② Topography . 沢地 variant of. Kagawa-ken Higashikagawa-shi Distributed in Yoda- yama.