Etymology and distribution of 古堂.

Furudou 【古堂】^{レベル3
About 120}  The Japanese surnames etymology dictionary.

Aichi-ken , Oosaka-fu , Hyougo-ken .

① Aichi-ken Nagoya-shi birthplace of Kita Ward Yasui. A place name with a record since the Heian period.

② Hyougo-ken Sayou-gun Originated from Sayou-chou near Nguyen (Old: Yasui). Place name with a record in the Edo period. Good neighbor . Hyougo-ken Yabu-shi Ueno is based.

③ Kyouto-fu Kyouto-shi Originated from Yasui in Taito, Ukyo-ku. A place name with a record since the Edo period.

④ Kyouto-fu Funai-gun Kyoutanba-chou Originating from Yasui. A place name with a record since the Edo period. Tradition on the same place.

⑤ Wakayama-ken Kaisou-gun Kimino-chou Originating from Yasui. A place name with a record since the Kamakura period.

⑥ Okayama-ken Tsuyama-shi Originating from Yasui. A place name with a record since the Edo period. It was in the Edo period in the same place. There is a tradition in the same place.

⑦ Tokushima-ken Kaifu-gun Kaiyou-chou Birth of Yasui. It is distributed in the same place.

⑧ Korea system . Thing . Add "Well" to the cheapest. There is a record of naturalization on Toukyou-to Nakano-ku on January 5, 1955. Last name is cheap. 安 Yasu reference.

Kodou 【古堂】^{レベル3
About 120}  The Japanese surnames etymology dictionary.

Hyougo-ken Himeji-shi , Yamaguchi-ken Shimonoseki-shi · Shimane-ken Oki-gun Nishinoshima-chou . Shimane-ken Oki-gun Nishinoshima-chou Mita is a place name recorded with the notation "Mita" in the Heian period. The place name was also written as "Mita" and "Maida". It is distributed in the same place.