Saint-Vallier is a commune

Communes of France

The commune is the lowest level of administrative division in the French Republic. French communes are roughly equivalent to incorporated municipalities or villages in the United States or Gemeinden in Germany...

 in the Drôme

Drôme

Drôme , a department in southeastern France, takes its name from the Drôme River.-History:The French National Constituent Assembly set up Drôme as one of the original 83 departments of France on March 4, 1790, during the French Revolution...

 department in southeastern France

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

.

Geography

The Galaure

Galaure

The Galaure is a long river in the Isère and Drôme départements, southeastern France. Its source is in Roybon. It flows generally west-southwest...

 flows northwest through the southern part of the commune, crosses the town, then flows into the Rhone

Rhône

Rhone can refer to:* Rhone, one of the major rivers of Europe, running through Switzerland and France* Rhône Glacier, the source of the Rhone River and one of the primary contributors to Lake Geneva in the far eastern end of the canton of Valais in Switzerland...

, which forms the commune's western border.

Population

Personalities

Saint-Vallier is known as the place where Diane de Poitiers

Diane de Poitiers

Diane de Poitiers was a French noblewoman and a prominent courtier at the courts of kings Francis I and his son, Henry II of France. She became notorious as the latter's favourite mistress...

, one of the most well-known of French royal mistresses, was born in 1499.