潼关县/ 潼關縣 tóngguānxiàn Tongguan County
Tongguan County in 渭南 wèinán city, Shaanxi province. Located at the junction of the Yellow River and the Wei River, it is a key transport hub between Shaanxi, Shanxi, and Henan. Named after the ancient fortress 潼关 tóngguān.