Montségur-sur-Lauzon

La Baume-de-Transit (French pronunciation: [la bom də tʁɑ̃zit]; Occitan: Bauma de Transit) is a commune in the Drôme department in southeastern France.

Solérieux (French pronunciation: [sɔleʁjø]; Occitan: Solerieu) is a commune in the Drôme department in southeastern France.

The Canton of Saint-Paul-Trois-Châteaux is a former canton located in the Department of Drôme, in the Arrondissement of Nyons. Its seat (chef-lieu) was the town Saint-Paul-Trois-Châteaux. The canton had 19,749 inhabitants in 2012. It was disbanded following the French canton reorganisation which came into effect in March 2015. It included the following communes:

Chantemerle-lès-Grignan is a commune in the Drôme department in southeastern France.

Richerenches (French pronunciation: [ʁiʃʁɑ̃ʃ]; Occitan: Richarenchas) is a commune in the Vaucluse department in the Provence-Alpes-Côte d'Azur region in southeastern France.

Clansayes (French pronunciation: [klɑ̃saj]; Occitan: Clansaias) is a commune in the Drôme department in southeastern France.

Bouchet (French pronunciation: [buˈʃɛ]; Occitan: Boschet) is a commune in the Drôme department in southeastern France.

Suze-la-Rousse (French pronunciation: [syz la ʁus]; Occitan: Susa la Rossa) is a commune in the Drôme department in southeastern France, situated in the heart of the Rhône Valley vineyards

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

Valaurie (French pronunciation: [valoʁi]) is a commune in the Drôme department in southeastern France. One important landmark is the Church of St. Martin in Valaurie.

The canton of Valréas, sometimes called the enclave des Papes ("Enclave of the Popes"), is a canton of the Vaucluse department, a part of the Provence-Alpes-Côte d'Azur (PACA) region in Southern France. It consists of four communes: Grillon, Richerenches, Valréas and Visan.

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