
The Dauphiné is a former province in southeastern France, whose area roughly corresponded to that of the present departments of Isère, Drôme, and Hautes-Alpes. The Dauphiné was originally the Dauphiné of Viennois.

Beaurepaire is a commune in the Isère department in southeastern France.

Bourgoin-Jallieu is a commune in the Isère department in the province of Auvergne-Rhône-Alpes in France.

Briançon is a commune in the Hautes-Alpes department in the Provence-Alpes-Côte d'Azur region in southeastern France. It is a sub-prefecture of the department.

Crémieu is a commune in the Isère department in southeastern France. This small medieval village of 3,500 inhabitants hosts a celebration called "Les Médiévales" every year in September, which reconstitutes the lifestyle of the Middle Ages. The seal of the région includes a dolphin. The inhabitants of this village are also called "les dauphinois" from the noun "dauphin" in French. The local dish is "le gratin dauphinois" which is a rich potato gratin.

Die is a commune, former episcopal see, and subprefecture of the Drôme department in southeastern France. The region around Die is known as the Diois.

Embrun is a commune in the Hautes-Alpes department in the Provence-Alpes-Côte d'Azur region in southeastern France.
Gap is a commune in southeastern France, the capital and largest town of the Hautes-Alpes department. At a height of 750 m above sea level, it is France's highest prefecture.

Grenoble is the prefecture and largest city of the Isère department in the Auvergne-Rhône-Alpes region of Southeastern France. It lies at the foot of the French Alps where the river Drac joins the Isère. A significant European scientific centre, the city advertises itself as the "Capital of the Alps", due to its size and its proximity to the mountains.
Montélimar is a commune in the Drôme department in southeastern France. It is the second-largest town in the department after Valence. In 2017, the commune had a population of 39,097, and its urban area had 56,765 inhabitants.
La Mure is a commune in the Isère département in southeastern France.

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

Pierrelatte is a commune in the Drôme department in southeastern France. Since the 1980s it hosts one of the biggest production plants of the enriched uranium existing in the world, used both for civil and military purposes.

Redortiers is a commune in the Alpes-de-Haute-Provence department in southeastern France.
Romans-sur-Isère is a commune in the Drôme department in southeastern France.
La Tour-du-Pin is a commune in the Isère department in southeastern France, 502 km from Paris.

Valence is a commune in southeastern France, the capital of the Drôme department and within the Auvergne-Rhône-Alpes region. It is situated on the left bank of the Rhône, about 100 kilometres (62 mi) south of Lyon, along the railway line that runs from Paris to Marseille.

Vénissieux is a commune in the Metropolis of Lyon in Auvergne-Rhône-Alpes region in eastern France.

Vienne is a commune in southeastern France, located 35 kilometres (22 mi) south of Lyon, at the confluence of the Gère river and the Rhône. Today, it is only the fourth largest city in the Isère department, of which it is a subprefecture, but was a major center of the Roman Empire.

Villeurbanne is a commune in the Metropolis of Lyon in Auvergne-Rhône-Alpes region in eastern France.
Voiron is a commune in the ninth district of the Isère department in southeastern France. It is the capital of the canton of Voiron and has been part of the Grenoble-Alpes Métropole since 2010. Voiron is located 25 km (16 mi) northwest of Grenoble and 85 km (53 mi) southeast of Lyon. Its roughly 20,000 inhabitants are the Voironnais.