Sakurada 【桜田】6 The Japanese surnames etymology dictionary.
① Topography . From the bottom side gate of the gate division system that was in the Edo period. An example of the location of the gate. Kagoshima-ken Akune-shi disturbance, Kagoshima-ken Kirishima-shi Hayato cho, Oda, Miyazaki-ken Ebino-shi Daimei. The gate name is from the bottom.