Bourbon-l'Archambault is a spa town and a commune in the Allier department in Auvergne-Rhône-Alpes region in central France. It is the place of origin of the House of Bourbon.
Wikipedia https://en.wikipedia.org/wiki/Bourbon-l'Archambault
Coordinates 46°35'8.761" N 3°3'28.944" E
