Etymology and distribution of 知井.

Chii 【知井】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Hokkaidou , Toyama-ken . Toyama-ken Shimoniikawa-gun Nyuuzen-machi It is distributed in Funami.

Tomoi 【知井】^{レベル3
About 60}  The Japanese surnames etymology dictionary.

Aomori-ken Towada-shi , Iwate-ken , Hokkaidou .

① Topography . A variant of the 平館 .

② Birth of Iwate-ken Hachimantai-shi Hiradate (Tiradate). A place name with a record since the Muromachi period.

※ Aomori-ken Higashitsugaru-gun The flatties of Sotogahama-machi are via points. A place name with a record since the Edo period. The place name is also referred to as "Hirakan" and it is conveyed from the person's name of Mr. Hirakan who lived in the Kamakura period.