Jin Prefecture, also known by its Chinese name Jinzhou, was a prefecture of imperial China. Its seatâÂÂalso known as JinzhouâÂÂwas at Luyang (near modern Mayang, Hunan).
Jin was created from Chen Prefecture (, Chénzhà Âu) in AD 686 under the Tang Dynasty. It was later renamed Luyang Commandery (, Lúyángjùn).