Which borders Vietnam, Hekou Yao Autonomous County or Lhasa City?
Hekou Yao Autonomous County The Hekou Yao Autonomous County () is an autonomous county in the southern part of the Yunnan province of China. It is part of the Honghe Hani and Yi Autonomous Prefecture and borders the northern Vietnamese town of Lào Cai. It was apparently known as Zhongcheng () during the Tang dynasty.
Xinzhai, Mengla County Xinzhai Village () is a small settlement in Manla district, Mengla County, Xishuangbanna prefecture, Yunnan province, China, only 8 km from the border with Laos. Trade across the border is strictly controlled, and foreigners are not allowed to cross into either country at this point. The dirt highway running north-south through Xinzhai features an important Chinese police checkpoint. The only road apart from the highway runs to the border.