Etymology and distribution of 臺.

Dai 【臺】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Fukuoka-ken , Nagasaki-ken , Saga-ken .

① Originated from Tsurusaki of Ooita-ken Ooita-shi . A place name with a record since the Warring States Period. Saga-ken Kishima-gun Oomachi-chou Fukuoka era, Fukuoka-ken Kurume-shi Oyado-ji Tomomiyoto, Nagasaki-ken Isahaya-shi was in the Edo period.

② Kagoshima-ken Kirishima-shi Originated from Tsuru Kesaki in the Kochi Shimocho's small character.

③ Hyougo-ken Shisou-shi Birth of Tsuruki Yamazaki Town. A place name with a record since the Edo period. Tsuruki's "crane" is used. It is distributed in the same place.

Utena 【臺】^{レベル3
About 400}  The Japanese surnames etymology dictionary.

Kagoshima-ken Ooshima-gun Tokunoshima-chou . Terrain . "Oka" was added to Etsu which is the surname of Amagi archipelago of Kagoshima-ken . Estimated at the time of returning to Japan in 1953. 悦 Etsu reference.