Upper Alsace, (German: Oberelsaß, French: Haute-Alsace) was the name of a district ("Bezirk") in the southern part of Alsace-Lorraine (Elsaß-Lothringen) when it was part of the German Empire from 1871 to 1918.
It comprised the subdistricts (Kreise) of
The capital of the district was Colmar. The district corresponds exactly to the current French department of Haut-Rhin.
The flag is of a yellow bar in a red field decorated on each side with three crowns. The union of this flag with that of Lower Alsace (Unterelsaß, Basse-Alsace) forms the flag of modern Alsace.