Mortzwiller

Le Haut-Soultzbach is a commune in the Haut-Rhin department of northeastern France. The municipality was established on 1 January 2016 and consists of the former communes of Mortzwiller and Soppe-le-Haut.

Sentheim (French pronunciation: [sɛntaim] ) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.

Lauw (German: Au) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.

Soppe-le-Haut (French pronunciation: [sɔp lə o]; German: Obersulzbach; Alsatian: Ewersulzbàch) is a former commune in the Haut-Rhin department in north-eastern France. On 1 January 2016, it was merged into the new commune Le Haut-Soultzbach.

Petitefontaine (French pronunciation: [pətitfɔ̃tɛn]) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

Lachapelle-sous-Rougemont (French pronunciation: [laʃapɛl su ʁuʒmɔ̃], literally Lachapelle under Rougemont) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

The Territoire de Belfort (French pronunciation: [tɛʁitwaʁ də bɛlfɔʁ] ; lit. "Territory of Belfort") is a department in the northeastern French region of Bourgogne-Franche-Comté. In 2020 it had a population of 140,120. The department, which encompasses a relatively small surface area of 609.4 km2 (235.3 sq mi), is located just southwest of the European Collectivity of Alsace. It also shares a border with the Swiss canton of Jura to the southeast. Its prefecture is Belfort.

Eteimbes (French pronunciation: [etɛ̃b]; German: Welschsteinbach) is a commune in the Haut-Rhin department in Alsace in north-eastern France.

Bourbach-le-Bas (French pronunciation: [buʁbak lə ba] ; German: Niederburbach) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.

The canton of Masevaux-Niederbruck (before 2021: Masevaux) is an administrative division of the Haut-Rhin department, northeastern France. Its borders were modified at the French canton reorganisation which came into effect in March 2015. Its seat is in Masevaux-Niederbruck.It consists of the following communes:

Angeot (French pronunciation: [ɑ̃ʒo]) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.

Masevaux-Niederbruck (French pronunciation: [mazvo nidəʁbʁyk] ; German: Masmünster-Niederbruck; Alsatian: Màsmìnschter-Niderbrucke) is a commune in the Haut-Rhin department of northeastern France. The municipality was established on 1 January 2016 and consists of the former communes of Masevaux and Niederbruck.