city, Osaka fu (urban prefecture), Honshu, Japan, in the northern part of the Kochi-gawa (Kochi River) plain. Many ancient relics attest to prehistoric settlement in the area. With the construction of a railway line to Osaka in 1910, Neyagawa grew as a residential suburb. The few large-scale factories produce metal products, transportation equipment, and textiles. Pop. (2005) 241,816.
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