image is a derivative work of the following images: File:DépartementsetrégionsdeFrance.svg licensed with PD-self 2009-05-16T02:55:39Z Archimatth 588x550
(File:Langues_de_la_France.svg, http://www.dendraed.com/wp-content/uploads/2014/06/Langues_regionales_france.jpg) son aire suit le département en "comblant le vide"