Etymology and distribution of 正円.

Shouen 【正円】^{レベル3
About 50}  The Japanese surnames etymology dictionary.

Nagano-ken Suzaka-shi , Nagano-ken Nagano-shi , Okinawa-ken .

① Hiroshima-ken Miyoshi-shi Okada Yuki (Dakou) Origin of Odakyu-cho, a town. Place name with a record in the notation of "Taka" during the Warring States Period. Tell Nagano-ken that you came from Hiroshima-ken in accordance with Fukushima Masanori, a warrior of the Azuchi-Momoyama era and the Edo era.

② Okinawa-ken Ishigaki-shi Ueno castle is based. Okinawa-ken Kunigami-gun On'na-son In Onna tells that he was engaged in agriculture at Okinawa-ken Naha-shi . Estimated in the Ryukyu Kingdom period.