At the 2015 arrondissements reform it was expanded with several communes from the arrondissements of Guebwiller and Thann .
The arrondissement of Mulhouse is an arrondissement of France in the Haut - Rhin department in the Grand Est region .
At the 2015 arrondissements reform arrondissement was expanded with several communes from the arrondissements of Guebwiller and Thann .
The arrondissement of Mulhouse is an arrondissement of France in the Haut - Rhin department in the Grand Est region .