Are Yanzhou District and Haidong in the same country?
Yanzhou District Yanzhou (postal: Yenchow; ) is a district and former county-level city under the administration of Jining, in the southwest of Shandong province, People's Republic of China.
Yan Prefecture (Shandong) Yanzhou or Yan Prefecture was a "zhou" (prefecture) in imperial China centering on modern Yanzhou District, Jining, Shandong, China. It existed (intermittently) until 1385, when the Ming dynasty created Yanzhou Prefecture.