Chénxī
Chénxī stands where the Chén River joins the Yuán in western Hunan. The county was known in antiquity as Chényáng, but after its seat moved to the north bank of the Yuán under the Sui it took the name Chénxī from the stream entering the river here. Under the Ming and Qing it belonged to Chénzhōu Prefecture. Flooding troubled the town, and in 1608 the magistrate Cáo Xíngjiàn directed the construction of new stone walls to protect it.