Later historical texts were also unclear on the location of Xu's final destination. Records of the Three Kingdoms and Book of the Later Han, and Guadi Zhi all state that he landed in "Danzhou" (亶州), but the whereabouts of Danzhou are unknown.
Historical records from later periods are unclear about Xu's final destination. The Three Kingdoms, Book of the Later Han, and Guadi Zhi all mention that he arrived in "Danzhou," but the exact location is unknown.