Dayin () is a town in northeastern Zhejiang province, China, located at the northeastern end of the Siming Mountains (Ã¥ÂÂæÂÂå±±) west of downtown Ningbo and just south of G92 Hangzhou Bay Ring Expressway. It is under the administration and located in the eastern end of Yuyao City, and , it has one residential community (å± å§Âä¼Â) and 5 villages under its administration.