Etymology and distribution of 澤口.

Sawaguchi 【澤口】^{レベル5
About 3,600}  The Japanese surnames etymology dictionary.

Kagoshima-ken , Miyazaki-ken Kobayashi-shi .

① Kagoshima-ken Kirishima-shi birthplace of the oomo-matsuki cooking plant, pastoral town. In the same area there was a charcoal floor gate in the Edo era system.

② Kagoshima-ken Soo-shi Originated from Otani's Omiya charcoal floor. In the same area there was a charcoal floor gate in the Edo era system.

③ Miyazaki-ken Kobayashi-shi birth of a water flowing coal bed. In the same area there was a charcoal floor gate in the Edo era system.