Yamakawa (山川町, Yamakawa-chō) was a town located in Oe District, Tokushima Prefecture, Japan.
As of 2003, the town had an estimated population of 11,456 and a population density of 271.02 persons per km2. The total area was 42.27 km2.
On October 1, 2004, Yamakawa, along with the towns of Kamojima and Kawashima, and the village of Misato (all from Oe District), was merged to create the new city of Yoshinogawa.[1][2]
[吉野川市]は04年10月、旧麻植郡の鴨島、川島、山川各町と美郷村の4自治体が合併し発足した。
10 月 1 日に徳島県麻植郡鴨島町、川島町、山川町、美郷村が合併して吉野川市が誕生する。