The historical site of the tomb of Cheng-kung ZHENG and Jing ZHENG, father and son. According to Chronicle of Taiwan Prefecture by Gong-qian GAO, they were buried at “Zhouziwie, Wuding Borough, Taiwan County”, i.e. Yanzhou Borough, Yongkang District, today. In 1699, the tomb was relocated to Nanan, Fujian, at the order of Emperor Kangxi, Qing dynasty. In 1980, the former Tainan County Government built the “Cheng-kung ZHENG Monument” here in memory of them.