Mae cyfyngiadau lleol eisoes ar waith mewn chwe ardal arall yn y De – Blaenau Gwent, Pen-y-bont ar Ogwr, bwrdeistref Caerffili, Merthyr Tudful, Rhondda Cynon Taf a Chasnewydd.
Local restrictions are already in place in six other areas of South Wales – Blaenau Gwent, Bridgend, Caerphilly borough, Merthyr Tydfil, Rhondda Cynon Taf and Newport.