Yanzhou is a district in the prefecture-level city of Jining, in the southwest of Shandong province, People's Republic of China. It was also the name of one of the Nine Provinces in ancient China, where Yu combated floods by water control.

Jining is a former capital of Shandong. Is a prefecture-level city in southwestern Shandong province. It borders Heze to the southwest, Zaozhuang to the southeast, Tai'an to the northeast, and the provinces of Henan and Jiangsu to the northwest and south respectively. Jining, which is located directly to the north of Lake Nanyang, is today the northernmost city reachable by navigation on the Grand Canal of China making it an important inland port.