District 27.

According to Baidu Map, Biyun Road on the South Third Ring Road belongs to Erqi District, Zhengzhou City, Henan Province.

Biyun Road is located in Erqi District, Zhengzhou City. It is planned as a north-south urban trunk road with a red line width of 40 meters. The project starts from Dingsheng Road in the south and ends at Qunan Road in the north. The total length of the road is about 1,099 meters.