The place was then renamed Sunayama Village during the Japanese rule of Taiwan because of the sand dunes of the area.

After the handover of Taiwan from Japan to the Republic of China in 1945, it became part of Taichung County.

It was later renamed as Fangyuan Township and became part of Changhua County.

The population density was 372 inhabitants per square kilometer (960/sq mi).

[2] The township comprises 26 villages: Boai, Caohu, Dingbu, Fangyuan, Fangzhong, Furong, Hanbao, Heping, Houliao, Jianping, Lunjiao, Luping, Lushang, Minsheng, Renai, Sancheng, Sange, Wanggong, Wenjin, Wujun, Xinbao, Xingren, Xinjie, Xinsheng, Xinyi and Yongxing.