Etymology and distribution of 世良井.

Serai 【世良井】^{レベル2
About 10}  The Japanese surnames etymology dictionary.

Nara-ken Uda-shi · Kyouto-fu . Nara-ken Uda-shi Originated from Tsugoe, a small figure of Daewoo Kamito. The place name was also pronounced. In the same area I will say that it was written as "Tsugue" in the Edo period. 津越 Tsukoshi reference.