Etymology and distribution of 筑井.

Tsukui 【筑井】^{レベル4
About 1,000}  The Japanese surnames etymology dictionary.

二俣 Futamata reference.

Chikui 【筑井】^{レベル4
About 1,000}  The Japanese surnames etymology dictionary.

Oosaka-fu , Okayama-ken , Hiroshima-ken .

① Nara-ken Nara-shi Togetsukawa Town is a place name with a record since the Nara period. The place name was also written as "Nogawa". Nara-ken Nara-shi Narukawa-cho is a place name with a record since the Kamakura period. Nara-ken Ikoma-gun Heguri-chou Nagikawa was a place name with a record since the Edo period. The place name was also written as "Nogawa". Okayama-ken There is Meisen at Ibara-shi .

② Kagoshima-ken Akune-shi Originated from Narukawa, a small figure in Yamashita. There was Narukawa gate of the gate division system in the Edo period in the same place.

③ Hiroshima-ken Higashihiroshima-shi Originated from Narukawa, a small -scale figure in Azumitsu Town.

④ Ooita-ken Usa-shi Originated from Narukawa, a small character in Hayamadera .

⑤ Kumamoto-ken Amakusa-shi Born originally from the Nakagawa, a small figure on the shelf bottom.