Which district is the old city of Guiyang?

The old city of Guiyang is Yunyan District and Nanming District. Yunyan District 1 Yunyan District belongs to Guiyang City, Guizhou Province, located in the north of the north-south "boat basin" of Guiyang City, at east longitude106 29' ~ 47' and north latitude 26 33' ~ 41',located in the northern half of Guiyang City, east, west and north. Yunyan District is one of the downtown areas of Guiyang, the main part of the old city of Guiyang, and the residence of the people's government of Guizhou Province. 2. Nanming District Nanming District is named after Nanming River. Located in the northeast of Yunnan-Guizhou Plateau, it is one of the central cities of Guiyang, the capital of Guizhou Province, and the seat of the provincial party committee and the provincial military region. Nanming District is the resident of Guizhou Provincial Party Committee, the political, economic, cultural, scientific and educational center of Guizhou Province, and one of the first ten economic counties in Guizhou Province.