Yu Prefecture, also known by its Chinese name Yuzhou (Chinese: 蔚州) and as Weizhou or Wei Prefecture, was a prefecture (zhou) of imperial China, centered on present-day Yu County, Hebei. It was one of the Sixteen Prefectures ceded by Later Jin to the Khitan-ruled Liao dynasty.
Yuzhou, the seat of Yu County, retains its name.
The administrative region of Yuzhou in the Tang dynasty is the border area of western Hebei and northern Shanxi: