Etymology and distribution of 珍坂.

Chinzaka 【珍坂】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

Hiroshima-ken , Tokushima-ken .

Originated from Okayama-ken Niimi-shi . A place name with a record since the Heian period.

② Creation . Variant of 新免 . Okayama-ken Maniwa-shi In Oshaya Okayama-ken Mimasaka-shi Takeyama castle that was in downtown told that the descendant of Mr. Shinkin, who was a castle owner in the Muromachi period, was renamed from new pronunciation to Niimi. 新免 Shinmen reference.

③ Miyazaki-ken Shinmi at Miyazaki-shi .

Chinsaka 【珍坂】^{レベル3
About 80}  The Japanese surnames etymology dictionary.

新海 Shinkai reference.