Question: Are Nanchang and Heshan, Guangdong located in Southern China?
Sentence (from "Xiangtang–Putian Railway"): Xiangtang–Putian Railway or Xiangpu Railway (), is a Class I high-speed railway in eastern China linking Nanchang and Fúzhou (福州), the provincial capitals, respectively, of Jiangxi and Fujian Province.
Relevant evidence: No