Etymology and distribution of 眞井.

Sanai 【眞井】^{レベル3
About 100}  The Japanese surnames etymology dictionary.

Okayama-ken , Hiroshima-ken , Hyougo-ken . Originated from the Sakura Islands of Kagawa-ken . A place name with a record since the Heian period. The place name was also written as "salinity".

Shin'i 【眞井】^{レベル3
About 100}  The Japanese surnames etymology dictionary.

Niigata-ken Nagaoka-shi , Kouchi-ken Nankoku-shi .

① things . Niigata-ken Nagaoka-shi Take a reminder that Sujiki Castle in Suikicho told "Bamboo" as "Mushi" because he remembered that he dropped by a soldier who cut a bamboo gutter during the Azuchi-Momoyama period. Estimated early in the Edo period.

② Kouchi-ken Nankoku-shi Okayasicho Natural Temple Is based.

Mai 【眞井】^{レベル3
About 100}  The Japanese surnames etymology dictionary.

Kyouto-fu , Aichi-ken · Miyazaki-ken Nishiusuki-gun Gokase-chou . There is 由良 surname. 由良 Yura reference.

Manai 【眞井】^{レベル3
About 100}  The Japanese surnames etymology dictionary.

Hiroshima-ken Miyoshi-shi · Toukyou-to . There is a surname including "spring". "Ei" is a favorable character. Hiroshima-ken Miyoshi-shi Distributed in Ueda-cho.