https://en.wikipedia.org/wiki/Chiayi
WebKingdom of Tungning. In 1661 (the 15th year of Yung-Li, Ming dynasty), Koxinga defeated the Dutch based in Taiwan and founded the Kingdom of Tungning. He established one province, Cheng-Tien-Fu , and two counties, Tien-Hsing and Wan-Nien , demarcated by the Hsin-Kang River (Chinese: 新港溪, now the Yanshui River). Chiayi was under the ...