| GRC = Greece | |
| # Level 1 (admin 1 = e.g., state) | |
| GR-75 = Notio Aigaio | |
| GR-A = Attiki | |
| GR-71 = Dytiki Ellada | |
| GR-74 = Peloponnisos | |
| GR-80 = Anatoliki Makedonia | |
| GR-61 = Ipeiros | |
| GR-86 = Kentriki Makedonia | |
| GR-76 = Kriti | |
| GR-65 = Voreio Aigaio | |
| GR-63 = Thessalia | |
| GR-60 = Dytiki Makedonia | |
| GR-70 = Sterea Ellada | |
| GR-67 = Ionia Nisia |