Etymology and distribution of 上向井.

Uemukai 【上向井】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Hokkaidou . Thing . From plum and mansion. Iwate-ken is the origin in the estimation.

Uwamukai 【上向井】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Ibaraki-ken , Kanagawa-ken , Chiba-ken . A variant of 大曽根 .

Kamimukai 【上向井】^{レベル3
About 300}  The Japanese surnames etymology dictionary.

Miyazaki-ken Miyazaki-shi , Shimane-ken Yasugi-shi , Kagoshima-ken . Distribution that also includes Seiyama. In Miyazaki-ken Miyazaki-shi , it is Seiyama.

① Topography . From the beautiful "Qing" and the mountains. Miyazaki-ken Miyazaki-shi At the foot of Xinbei- cho, Kagoshima-ken Soo-gun Oosaki-chou Nogata is based.

② Shimane-ken Yasugi-shi In Iwafune-cho I will tell you that it was called from Shizuyama in Shiga-ken during the Heian period. Location unknown. Tottori-ken Saihaku-gun Daisen-chou Kiyohara (Old: Qiyama (Seiyama)) is a place name with a record since the Edo period. Shimane-ken Yasugi-shi tells that Shimane-ken Yasugi-shi changed to pronunciation of Seiyama after the fall of Tsukiyama Tomita Castle in Tomita, Hirose-cho, after 1566 (9 years old).

③ Topography . Added 'mountain' to Kiyoshima -ken 's Amami archipelago 's first surname. Estimated at the time of returning to Japan in 1953. 清 Sei reference.