Question: What do Xinzhou and Binzhou have in common?

Context paragraphs:
Binzhou: Binzhou, formerly Putai, is a prefecture-level city in northern Shandong Province in the People's Republic of China.  The city proper sits on the northern bank of the Yellow River, while its administrative area straddles both sides of its lower course before its present delta.

Xinzhou: Xinzhou () is a prefecture-level city occupying the north-central section of Shanxi province, People's Republic of China.

Supporting paragraphs: Xinzhou Binzhou
Answer: People's Republic of China