Etymology and distribution of 古阪.

Furusaka 【古阪】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Tochigi-ken , Nagano-ken , Chiba-ken .

① Tochigi-ken Sano-shi Born of Yamagoe. A place name with a record since the Edo period.

② Ehime-ken Matsuyama-shi Birth of Yamagoe (Yamagoe). A place name with a record since the Edo period.

③ Topography . In Nagano-ken Ueda-shi Kokubu, he tells that he worked from Nasu in Tochigi-ken across the mountains and gave it from Yoritomo of the warlords of the Heian and Kamakura periods.

Good neighbor . Terrain . Saitama-ken Hiki-gun Ranzan-machi In Yoshida Meiji New surname by land crossing the mountain. In 1926 Matsumoto surname changed to last name. 松本 Matsumoto reference.

Kosaka 【古阪】^{レベル3
About 110}  The Japanese surnames etymology dictionary.

Ibaraki-ken Chikusei-shi . 沢佐 variant. Ibaraki-ken Chikusei-shi Distributed on Eikenke Island.