Châteauneuf-les-Martigues is a commune in the Bouches-du-Rhône department in southern France. The La Mède refinery is nearby and has been in operation since 1935.
Wikipedia https://en.wikipedia.org/wiki/Châteauneuf-les-Martigues
Coordinates 43°22'49.545" N 5°9'52.71" E