Question: Q:Are both Ankang and Langzhong administered as part of the prefecture-level city of Nanchong?  A: No
Sentence (from "Shaanxi"): Officially part of the Northwest China region, it lies in central China, bordering the provinces of Shanxi (NE, E), Henan (E), Hubei (SE), Chongqing (S), Sichuan (SW), Gansu (W), Ningxia (NW), and Inner Mongolia (N).
Relevant evidence: No