Lei Prefecture

Leizhou or Lei Prefecture was a "zhou" (prefecture) in imperial China in Leizhou Peninsula, Guangdong. It existed from 634 to 1329, but between 742 and 758 it was known as Haikang Commandery (also translated as Haikang Prefecture).
The modern county-level city Leizhou retains its name.
Counties.
Lei Prefecture administered the following counties () through history: