How to add geomap file to sceene

hii everyone,
i have a problem ,how to add county map file (png,jpg) to sceene , for example we have england geomap show to android and user thouch (inputmanager control) to screen and i want result information this point it’s London or chelsea…how to get point information on country png or jpeg file…
how can do it with jmonkeyengine

thank you so much help all