Brief SynthesisThe archaeological zone of Paquimé is located in the Municipality of Casas Grandes, Chihuahua, Mexico. It is located at the foot of the Sierra Madre Occidental range near the headwaters of the Casas Grandes River. It is the largest archaeological zone that represents the peoples and cultures of the Chihuahua Desert. AuthenticityPreserved and protected as an exceptional archaeological zone, the changes in its appearance had been prevented as well as and any major reconstruction activity. The decree identified the boundaries and a buffer zone between the archaeological zone and the neighbouring town of Casas Grandes.