Etymology and distribution of 砂坂.

Sunasaka 【砂坂】^{レベル4
About 700}  The Japanese surnames etymology dictionary.

遅塚 Osodzuka reference.

Sunazaka 【砂坂】^{レベル4
About 700}  The Japanese surnames etymology dictionary.

Yamanashi-ken , Oosaka-fu , Tokushima-ken . Yamanashi-ken Koufu-shi Chizuka is a place name with a record since the Sengoku period.

※ Gunma-ken Tatebayashi-shi Originated from the village town (formerly Chizuka). In 1341 (4 years of calendar year, 2 years of emerging countries) the place name with the notation of "Tomosuka" recorded. Gunma-ken Tatebayashi-shi It was in the Warring States Period as a vassal of Mr. Mr. Mr. Mr. Takashi Matsuno who was the castle owner of Taisuke Castle.