Mizusawa 【水沢】5 The Japanese surnames etymology dictionary.
Aomori-ken , Hokkaidou , Iwate-ken . Aomori-ken Higashitsugaru-gun Sotogahama-machi There is distribution in Kaneda. Nagano-ken Chiisagata-gun Nagawa-machi There is distribution in Nagakubo. Nagano-ken Minamisaku-gun Sakuho-machi Room (Yogi) is a geographical name with a record since the North-South morning era. The place name was also written as "land" during the Warring States Period.