Châtillon-en-Diois

Menglon (French pronunciation: [mɑ̃ɡlɔ̃]) is a commune in the Drôme department in southeastern France.

Saint-Roman (French pronunciation: [sɛ̃ ʁɔmɑ̃]; Occitan: Sant Roman) is a commune in the Drôme department in southeastern France.

Laval-d'Aix (Occitan: Laval-d'Ais) is a commune in the Drôme department in southeastern France.

Recoubeau-Jansac (French pronunciation: [ʁəkubo ʒɑ̃sak]; Occitan: Recobèu e Gençac) is a commune in the Drôme department in southeastern France, it is 15 km south of the town Die and is located in the arrondissement with same name.

Solaure-en-Diois (French pronunciation: [sɔlɔʁ ɑ̃ diwa]) is a commune in the Drôme department of southeastern France. The municipality was established on 1 January 2016 and consists of the former communes of Aix-en-Diois and Molières-Glandaz.

Montlaur-en-Diois (French pronunciation: [mɔ̃lɔʁ ɑ̃ diwa]; Occitan: Montlaur) is a commune in the Drôme department in southeastern France.

Aix-en-Diois (French pronunciation: [ɛks ɑ̃ diwa]; Vivaro-Alpine: Ais de Diés) is a former commune in the Drôme department in southeastern France. On 1 January 2016, it was merged into the new commune Solaure-en-Diois.

The Bez (also: Bès) is a tributary to the river Drôme in the Drôme department of France. It is 25.5 km (15.8 mi) long. It has a drainage basin of 278 km².

Molières-Glandaz (Vivaro-Alpine: Molèiras de Glandàs) is a former commune in the Drôme department in southeastern France. On 1 January 2016, it was merged into the new commune Solaure-en-Diois.

Montmaur-en-Diois (French pronunciation: [mɔ̃mɔʁ ɑ̃ diwa]; Occitan: Montmaur) is a commune in the Drôme department in southeastern France.

Romeyer (French pronunciation: [ʁɔmɛje]; Occitan: Romeièr) is a commune in the Drôme department in southeastern France.

Barnave is a commune in the Drôme department in southeastern France.