Prefectures of Southern Tang

Ezhou (), also known by another name O-chou is a prefecture-level city in eastern Hubei Province, China. As of the 2020 census, the city had a population of 1,079,353, of which 695,697 lived in the core Echeng District. The Ezhou - Huanggang built-up (or metro) area was home to 1,152,559 inhabitants made of the Echeng and Huangzhou, Huanggang Districts.

administrative division of imperial China