The "arrondissement" of Colmar-Ribeauvillé is the most northern of the "arrondissements" of the Haut-Rhin department. It is bordered to the north by the Bas-Rhin department, to the east by Germany, to the southeast by the Mulhouse "arrondissement", to the south by the Thann-Guebwiller "arrondissement" and to the west by the Vosges department.