Etymology and distribution of 知井.

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

Toukyou-to · Kanagawa-ken · Hyougo-ken . Birth of Akita-ken niho (former: Nikaho) city. A place name with a record since the Warring States Period.

※ Akita-ken Nikaho-shi In the Edo era was the notation of "Inagao" in the lord of Inagao of the clan government. It is unknown whether Nikaho exists.

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

Hiroshima-ken Miyoshi-shi . There is an example of using a "valley" for a store of a shop name. Hiroshima-ken Miyoshi-shi Distributed in Kozo Town Children.