Bo Prefecture (Shandong)

Bozhou or Bo Prefecture () was a "zhou" (prefecture) in imperial China, centering on modern Liaocheng, Shandong, China. It existed (intermittently) from 596 until 1267.
Geography.
The administrative region of Bo Prefecture in the Tang dynasty is in Liaocheng modern western Shandong. It probably includes parts of modern: 
Population.
In the early 1100s during the Song dynasty, there were 46,492 households and 91,333 people.