Upper Alsace, was the name of a district ("Bezirk") in the southern part of Alsace-Lorraine

Alsace-Lorraine

The Imperial Territory of Alsace-Lorraine was a territory created by the German Empire in 1871 after it annexed most of Alsace and the Moselle region of Lorraine following its victory in the Franco-Prussian War. The Alsatian part lay in the Rhine Valley on the west bank of the Rhine River and east...

 (Elsaß-Lothringen) when it was part of the German Empire

German Empire

The German Empire refers to Germany during the "Second Reich" period from the unification of Germany and proclamation of Wilhelm I as German Emperor on 18 January 1871, to 1918, when it became a federal republic after defeat in World War I and the abdication of the Emperor, Wilhelm II.The German...

 from 1871 to 1918.

It comprised the subdistricts (Kreise) of

1. Altkirch
   Altkirch
   -See also:* Château d'Altkirch - destroyed castle in the town.* Communes of the Haut-Rhin department-References:* -External links :* * * * * * * *...
   
    within the Sundgau
   Sundgau
   Sundgau is a geographical territory on the eastern edge of France that was once a principality of the Holy Roman Empire. The name Sundgau derives from Alemannic German, which means "South County" ....
   
   
2. Colmar
   Colmar
   Colmar is a commune in the Haut-Rhin department in Alsace in north-eastern France.It is the capital of the department. Colmar is also the seat of the highest jurisdiction in Alsace, the appellate court....
   
   
3. Gebweiler
   Guebwiller
   Guebwiller is a commune in the Haut-Rhin department in Alsace in north-eastern France.It is situated northwest of Mulhouse at the foot of the Vosges mountains...
   
    (Guebwiller)
4. Mülhausen
   Mulhouse
   Mulhouse |mill]] hamlet) is a city and commune in eastern France, close to the Swiss and German borders. With a population of 110,514 and 278,206 inhabitants in the metropolitan area in 2006, it is the largest city in the Haut-Rhin département, and the second largest in the Alsace region after...
   
    (Mulhouse)
5. Rappoltsweiler
   Ribeauvillé
   Ribeauvillé is a commune in the Haut-Rhin department in Alsace in north-eastern France.Its inhabitants are called Ribeauvillois.The picturesque town is located around north of Colmar and south of Strasbourg.-History:...
   
    (Ribeauvillé)
6. Thann
   Thann, Haut-Rhin
   Thann is a commune in the Haut-Rhin department in Alsace in north-eastern France.Its inhabitants are known as Thannois.-Geography:...
   
   

The capital of the district was Colmar

Colmar

Colmar is a commune in the Haut-Rhin department in Alsace in north-eastern France.It is the capital of the department. Colmar is also the seat of the highest jurisdiction in Alsace, the appellate court....

. The district corresponds exactly to the current French department of Haut-Rhin

Haut-Rhin

Haut-Rhin is a département of the Alsace region of France, named after the Rhine river. Its name means Upper Rhine. Haut-Rhin is the smaller and less populated of the two departements of Alsace, although is still densely populated compared to the rest of France.-Subdivisions:The department...

.

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

Basse-Alsace

Unterelsaß was the name for a district in the northern part of Elsaß-Lothringen when it was part of the German Empire from 1871 to 1918.The capital of the district was Straßburg...

) forms the flag of modern Alsace.