The Jianzhou Jurchens (Chinese:建州女真) were a grouping of the Jurchens as identified by the Chinese of the Ming Dynasty. They were the southernmost group of the Jurchen people (the others being the Wild Jurchens (Chinese:野人女真) and Haixi Jurchens (Chinese:海西女真) in the fourteenth century, inhabiting modern Jilin (Chinese:吉林) province in China.
Read more about Jianzhou Jurchens: Origins, Confederation Building, Nurhaci and The Manchu State