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Zizhou or Zi Prefecture was a zhou (prefecture) in imperial China centering on modern Zibo, Shandong, China. It existed (intermittently) from 596 until 1264.
Geography
The administrative region of Zizhou in the Tang dynasty is in modern central Shandong. It probably includes parts of modern:
Shi Weile, ed. (2005). Zhongguo Lishi Diming Da Cidian (中国历史地名大词典) [Large Dictionary of Chinese Historical Place Names] (in Chinese). China Social Sciences Press. p. 2454. ISBN7-5004-4929-1.