 It is distributed widely across China, but the provinces of Hebei, Shandong, Anhui, and Henan have especially high concentrations of the surname; the four provinces account for 70% of the total population with the surname.According to the ninth-century Tang Dynasty text "Yuanhe Xing Zuan", the Lu 路 surname originated from the Red Di state of (潞氏 or 路氏), also called Lu, which was named after the river Lu (present-day Zhuozhang River, a tributary of the Zhang River).In 594 BC Lushi was conquered by Duke Jing, the ruler of the State of Jin, a major power of the Spring and Autumn period.