Clos du Doubs is a municipality

Municipalities of Switzerland

Communes , also known as municipalities, are the smallest government division in Switzerland, numbering 2,596 . While many have a population of a few hundred citizens, the largest cities such as Zürich or Geneva also have the legal status of municipalities...

 in the district of Porrentruy

Porrentruy (district)

Porrentruy District is one of the three districts of the canton of Jura, Switzerland. Its capital is the town of Porrentruy. The French-speaking district has a population of .-Municipalities:Porrentruy is divided into a total of 23 municipalities:...

 in the canton

Cantons of Switzerland

The 26 cantons of Switzerland are the member states of the federal state of Switzerland. Each canton was a fully sovereign state with its own borders, army and currency from the Treaty of Westphalia until the establishment of the Swiss federal state in 1848...

 of Jura in Switzerland

Switzerland

Switzerland name of one of the Swiss cantons. ; ; ; or ), in its full name the Swiss Confederation , is a federal republic consisting of 26 cantons, with Bern as the seat of the federal authorities. The country is situated in Western Europe,Or Central Europe depending on the definition....

. It was founded at January 1, 2009 by the former municipalities of Epauvillers

Epauvillers

Epauvillers is a village and former municipality in the district of Franches-Montagnes in the canton of Jura in Switzerland. Since January 1, 2009 it's a part of the new municipality of Clos du Doubs in the Porrentruy District....

, Epiquerez

Epiquerez

Epiquerez is a former municipality in the district of Franches-Montagnes in the canton of Jura in Switzerland. Since January 1, 2009 it's a part of the new municipality of Clos du Doubs in the Porrentruy District....

, Montenol

Montenol

Montenol is a village and former municipality in the district of Porrentruy in the canton of Jura in Switzerland.Since January 1, 2009 it is a part of the new municipality Clos du Doubs....

, Montmelon

Montmelon

Montmelon is a village and former municipality in the district of Porrentruy in the canton of Jura in Switzerland.Since January 1, 2009 it is a part of the new municipality Clos du Doubs.-References:...

, Ocourt

Ocourt

Ocourt is a village and former municipality in the district of Porrentruy of the canton of Jura in Switzerland.Since January 1, 2009 it is a part of the new municipality Clos du Doubs.-References:...

, Saint-Ursanne

Saint-Ursanne

Saint Ursanne is a city and a former municipality of the district of Porrentruy in the canton of Jura, Switzerland which has preserved its medieval character. The city contains many historical curiosities, including collegiate churches, a cloister, ruins of a castle, and a hermitage...

 and Seleute

Seleute

Seleute is a village and former municipality in the district of Porrentruy in the canton of Jura in Switzerland.Since January 1, 2009 it's a part of the new municipality Clos du Doubs....

. Soubey

Soubey

Soubey is a municipality in the district of Franches-Montagnes in the canton of Jura in Switzerland.- References :...

 voted not to join the merger.

Clos du Doubs is also the name of the region (including Soubey). It includes the section of the Doubs valley near Saint-Ursanne

Saint-Ursanne

Saint Ursanne is a city and a former municipality of the district of Porrentruy in the canton of Jura, Switzerland which has preserved its medieval character. The city contains many historical curiosities, including collegiate churches, a cloister, ruins of a castle, and a hermitage...

, about 15 km west of Delémont

Delémont

Delémont is the capital of the Swiss canton of Jura. The city has approximately 11,000 inhabitants as of 2007.-Geography:Delémont lies southwest of Basel, about halfway between Basel and Bienne...

. Center of the region of about 80 km² is Saint-Ursanne.

Clos du Doubs is also the name of a range of the Jura folds south-west of Saint-Ursanne.