Etymology and distribution of 大沢津.

Oosawatsu 【大沢津】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Ooita-ken Kusu-gun Kusu-machi , Aichi-ken . A variant of 乙津 . 乙津 Otsu reference.

※ Akita-ken Yurihonjou-shi Iwashiro Kameda Kameda-machi was in the Edo period in the Kameda clan of the clan office.