Terai 【寺井】5 The Japanese surnames etymology dictionary.
① Mie-ken Matsusaka-shi Birth of Shimanami-machi, Shimanami-cho. Place name with a record since the North / South morning era. He was in the Heian period. Fukushima-ken Kooriyama-shi Nakadamachi Town Beppu Town is based.
② Yamaguchi-ken Shimonoseki-shi The birth of Kamikawa-machi lake capital Nanami. A place name with a record since the Edo period. Yamaguchi-ken Ube-shi It was in the Tokyo era as the shrine of Kotosaki Hachimangu Shrine of the Ubu Ubai.