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Yanzhou
Chinese兗州 / 兖州
alternative spelling
Chinese沇州
Chinese provinces in the late Eastern Han dynasty period, 189 CE.
Chinese provinces in the late Eastern Han dynasty period, 189 CE.

Yan Province or Yanzhou was one of the Nine Provinces of ancient China. During the Han dynasty (206 BCE – 220 CE), it covered roughly present-day southwestern Shandong, eastern Henan, and the northwestern corner of Jiangsu.