《水经注·卷二十二》
汉高祖十一年前，立为淮阳国，王莽时改名，郡称新平，县叫陈陵，是先前豫州的治所。
汉高祖十一年，以为淮阳国。王莽更名郡为新平，县曰陈陵，故豫州治。
11 years ago, Emperor Han Gaozu established it as Huaiyang Kingdom, during Wang Mang's reign, it was renamed to Xiping county, called Chenling County, which was the county of the former Yuzhou.