Which province and city is Jiangzhou?

Jiangzhou is today's Jiujiang City, Jiangxi Province.

Jiangzhou famous sentence "Jiujiang officer today. My blue sleeves are wet in Pipa Trip written by Bai Juyi in Tang Dynasty, and Jiangzhou in Water Margin also refers to this place. Jiangzhou was divided from the Eastern Jin Dynasty, divided many times in the late Southern Dynasty, and then stabilized. Jiangzhou was one of the administrative divisions in the Tang and Song Dynasties, which lasted until the Song and Yuan Dynasties. Jiangzhou is now Jiujiang City, Jiangxi Province. At the end of Yuan Dynasty, Chen Youliang claimed to be Hanwang in Jiangzhou. However, Jiangzhou is actually the ancient name of Chongqing, mainly the name of the main city of Chongqing from 3 16 BC to 548 AD.