Etymology and distribution of 古川.

Furukawa 【古川】^{レベル6
About 175,800}  The Japanese surnames etymology dictionary.

Hokkaidou , Aomori-ken , Ibaraki-ken .

Birth of Yamagata-ken Yamagata-shi . A place name with a record since the Muromachi period. Aomori-ken Kuroishi-shi Yamagata cho was a place name with a record since the Edo period. It is distributed in the same place. The place name is estimated from the person's name.

② Topography . From the mountain side. Fukui - ken Mikatakaminaka - gun Wakasa - chou tell Takefu that he was engaged in agriculture. Estimated in the Edo period. Kagoshima-ken Kirishima-shi From Fukuyama Fukuyama from Yamagata gate in the gate division system that was in the Edo period. Good neighbor . Fukui-ken Tsuruga-shi Distributed in Mishima-cho.

③ variant of 山県 . Yamanashi-ken Koufu-shi In Osato-cho I will tell you that Gifu-ken Yamagata-shi is out.

④ Good neighbor . Originated from the southern part of Kyouto-fu (formerly Yamashiro). As the country name is the location name with the notation of "Yamano" in the Asuka period. Meiji New surname by using the shop name of Yamashiroya. Nara-ken Nara-shi Tradition in Higashi Nozaka Town.

Kokawa 【古川】^{レベル6
About 175,800}  The Japanese surnames etymology dictionary.

Saitama-ken . Terrain . Tell her that Mr. Sano added "Island". Period, location unknown. It is distributed in Saitama-ken Chichibu-shi Shinzawa. 佐野 Sano reference.

※ Kumamoto-ken Kumamoto-shi Chuo-ku Honmaru was written as "Sano Shima" in the Edo period in the Kumamoto samurai of the Clan office. It is unknown whether Sano Shima exists.

Kogawa 【古川】^{レベル6
About 175,800}  The Japanese surnames etymology dictionary.

Iwate-ken Morioka-shi , Hyougo-ken . There is 佐野 surname. Iwate-ken Morioka-shi Nagai is based. 佐野 Sano reference.

Furugawa 【古川】^{レベル6
About 175,800}  The Japanese surnames etymology dictionary.

Oosaka-fu , Wakayama-ken , Yamaguchi-ken . 山県 family name is present. Oosaka-fu Oosaka-shi was in the Edo period.