Simplify the following text for a Grade 8 native English-speaking person.
Original: ChÃ cents teauneuf-de-Vernoux is a commune in the ArdÃ che department in the RhÃ ne-Alpes region in southern France .
Simplified: ChÃ cents teauneuf-de-Vernoux is a town and commune of the ArdÃ che dÃ partement , in the southern part of France .