Bergholtz is a commune in the Haut-Rhin department in Grand Est in north-eastern France, and, since 1 January 2021, the European colle…Bergholtz is a commune in the Haut-Rhin department in Grand Est in north-eastern France, and, since 1 January 2021, the European collectivity of Alsace. The commune is in the historic and cultural region of Alsace.