Uzawa 【鵜沢】5 The Japanese surnames etymology dictionary.
① Kagoshima-ken Shibushi -shi Birthplace of Uchinokugura in Shibushi-machi. In the Muromachi period there is a place name with the notation "Uchikura" recorded. The place name was also written as "Uchinanono".
② Topography . From the Uchinomakura gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Satsumasendai-shi祁 戸 院 町 Kuroki, Kagoshima-ken Kimotsuki-gun Kimotsuki-chou Nozaki, Miyazaki-ken Kobayashi-shi真 真 方. The gate name comes from the warehouse inside.