Etymology and distribution of 實岡.

Jitsuoka 【實岡】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Tochigi-ken , Toukyou-to . Creation . Tell them that there was a couple named Fuki Oka, Rei Demon who was a founder of the Shimayama and was a character of Asuka during the Asuka period. Nara-ken Yoshino-gun Shimokitayama-mura The former demon was a place name with a record since the Edo period. Tell the place name from the name of Maeda.

Saneoka 【實岡】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Nagano-ken Saku-shi , Okayama-ken Tsuyama-shi .

① variant of 陶 . Nagano-ken Saku-shi Shiga is based. It was in the Edo period in the same place. Okayama-ken Tsuyama-shi Hajime is based. In the same town, say from 1789 to 1801 (Kankei anniversary) renamed from the ceramics.

② Iwate-ken Oushuu-shi Mizuzawa Originated from Sumue of Maki's underwear. It was in the Azuchi-Momoyama period.

③ Miyagi-ken Ishinomaki-shi Birth of Sue ___ ___ 0 A place name with a record since the Edo period.

④ variant 末 the 末 . Miyagi-ken Sendai-shi Aoba-ku Kawauchi was in the Edo era in the Sendai Samurai of the Clan office. Tradition of the same samurai.