Jinguashi is a town in Ruifang District, New Taipei City, Taiwan, notable for its historic gold and copper mines. It was also known as Kinkaseki in Japanese and was under Taihoku Prefecture during Japanese rule.
From 1942 to 1945, the town was host to Kinkaseki Prisoner of War Camp. Of the 430 Allied POW deaths across all fourteen Japanese POW camps on Taiwan, the majority occurred at Kinkaseki.
Wikipedia https://en.wikipedia.org/wiki/Jinguashi
Coordinates 25°6'30.208" N 121°51'21.882" E