Because it was built on the land of Phu Khanh village, Vinh Xuong (former) is a craft village specializing in the production of pottery, day and night burning with kilns, so the village is also called Hoa Lo. During the French colonial period, Hoa Lo prison was designed and built with a structure consisting of 4m high and 0.5m thick stone walls reinforced with electric steel wire. The whole prison area is divided into 4 zones A, B, C, D