Etymology and distribution of 有井山.

Ariiyama 【有井山】^{レベル1
Very rare}  The Japanese surnames etymology dictionary.

Kanagawa-ken . Taiwanese line . Terrain . From a place to draw water and a fountain. Kanagawa-ken Yokohama-shi Naturalization on naturalization on August 21, 1992 at Tsuzuki Ward (formerly Green Region). The pronunciation is Izumi. The real name is Cai. 蔡 Sai reference.