Val-de-Fier is a former commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 Januar…Val-de-Fier is a former commune in the Haute-Savoie department in the Auvergne-Rhône-Alpes region in south-eastern France. On 1 January 2019, it was merged into the new commune Vallières-sur-Fier. Its nearest town is Rumilly.