Grignan is a commune in the Drôme department in the Auvergne-Rhône-Alpes region in southeastern France.
It has a Renaissance castle and is mentioned in the letters that Madame de Sévigné wrote to her daughter, Madame de Grignan, in the 17th century.
Wikipedia https://en.wikipedia.org/wiki/Grignan
Coordinates 44°25'13.8" N 4°54'35.748" E
