Isère

department, France

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June 29, 2026

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Isère is a department in southeastern France, part of the Auvergne-Rhône-Alpes region. It is named after the Isère River, which originates in the Savoy Alps and flows for 180 miles before joining the Rhône River above Valence. The department is historically associated with the Dauphiné region, which was a province of France.12

Key cities within Isère include Grenoble, a manufacturing and research center, and Vienne, a town rich in Roman and medieval history. Romans-sur-Isère, located on the Isère River, is known for its historical significance and modern industries, including nuclear fuel production. The region is characterized by its Alpine geography and has a history intertwined with the French monarchy and revolution.234

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Rhône-Alpes
Haute-Savoie, Savoie, Isère, Drôme, and Ardèche. In 2016 the Rhône-Alpes région was joined with the région of Auvergne to form the new administrative entity of Auvergne-Rhône-Alpes.
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Haute-Savoie, Savoie, Isère, Drôme, and Ardèche. In 2016 the Rhône-Alpes région was joined with the région of Auvergne to form the new administrative entity of Auvergne-Rhône-Alpes.
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