榆林市
Li Yixing (李彝興) (died October 20, 967), né Li Yiyin (李彝殷), formally the Prince of Xia (夏王), was an ethnically-Dangxiang warlord of the Chinese Five Dynasties and Ten Kingdoms Period and the early Song Dynasty, ruling Dingnan Circuit (定難, headquartered in modern Yulin, Shaanxi) from 935 to his death in 967, as its military governor ("Jiedushi") in "de facto" independence.