MarnazMarnaz is a commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. It is around 34 km south-east of Geneva.ToponymyAs with many polysyllabic Arpitan toponyms or anthroponyms, the final -x marks oxytonic stress, whereas the final -z indicates paroxytonic stress and should not be pronounced, although in French it is often mispronounced due to hypercorrection.Twin towns — sister citiesMarnaz is twinned with Quincinetto, Italy since 1996.