The campaign will be aimed at medical students yet to choose a specialty as well as trainees coming to the end of their training, to encourage them to stay to live and work in Wales.
Bydd yr ymgyrch yn targedu myfyrwyr meddygaeth sydd heb ddewis arbenigedd eto yn ogystal â hyfforddeion sy'n dod at ddiwedd eu hyfforddiant, i'w hannog i aros i fyw a gweithio yng Nghymru.