Etymology and distribution of 更西.

Saranishi 【更西】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Ibaraki-ken Mito-shi . Summary . Abbreviation for Nasu. Ibaraki-ken Mito-shi Hori cho is based. It is said that the descendant of Nasu Koichi (Nasu no Yoichi), the warrior of the Heian era, called in the same place. 那須 Nasu reference. Ibaraki-ken Mito-shi Sannomaru was in the Edo period in the Mito samurai of the Clan office.