Petersbach is a commune in the Bas-Rhin department in Grand Est in north-eastern France.
Peteresbach is within the Northern Vosges Regional Nature Park (French: Parc naturel régional des Vosges du Nord) that lies in the northern foothills of the Vosges Mountains.
At the eastern end of the town is the headquarters and major plant for , a major French wine and spirit maker and exporter. It produces over 1m bottles of wine annually.
The local cultural ties to Germany are strong, including the use of a Rhenish Franconian dialect.