Kaidou 【開道】3 The Japanese surnames etymology dictionary.
Hokkaidou . Terrain . From the edge of the lagoon. Ishikawa-ken Kahoku-gun Tsubata-machi There are distribution in Kaga nail. The land is located east of Kawakata-gata before reclamation. Kumamoto-ken Uto-shi Distributed in Sasahara Town. Kumamoto-ken Udo city Kuta-cho in the east of the same place is a place name with a record since the Edo period.