Amazawa 【天沢】3 The Japanese surnames etymology dictionary.
① Topography . From the rain and the river. Wakayama-ken Wakayama-shi Ichibancho was in the Edo period in the Kishu clan in the Clan office. Shimane-ken Un'nan-shi Distributed in Yoshida-cho Yoshida. Shimane-ken Nita-gun Okuizumo-chou Otani Rakugawa (Amagawa) is a place name unknown in the record era.