Etymology and distribution of 赤築.

Shadzuki 【赤築】^{レベル2
About 30}  The Japanese surnames etymology dictionary.

Hyougo-ken , Kyouto-fu , Ishikawa-ken .

① Shimane-ken Izumo-shi There was Mr. Okayuki's surname in the Nara era in the vicinity of the Akinomiya (Okinawa Prefecture). Pronunciation in estimation is OK.

② A variant of Osaka (Ousaka). Ishikawa-ken Kaga-shi Daishoji Hachimanji was in the Edo era in the clan of the Daishoji of the Clan office. The same samurai told that Toyama-ken got out and changed from Ozaka surname in 1706 (Hohnen 3 years). Last name is Osaka. 逢坂 Ousaka reference.