| ROU = Romania | |
| # Level 1 (admin 1 = e.g., state) | |
| RO-BC = Bacau | |
| RO-HD = Hunedoara | |
| RO-TM = Timis | |
| RO-GL = Galati | |
| RO-GJ = Gorj | |
| RO-BT = Botosani | |
| RO-VS = Vaslui | |
| RO-SJ = Salaj | |
| RO-SM = Satu Mare | |
| RO-BZ = Buzau | |
| RO-CV = Covasna | |
| RO-BH = Bihor | |
| RO-BR = Braila | |
| RO-TL = Tulcea | |
| RO-VL = Vilcea | |
| RO-B = Bucuresti | |
| RO-AG = Arges | |
| RO-BN = Bistrita-Nasaud | |
| RO-BV = Brasov | |
| RO-CA = Calarasi | |
| RO-MH = Mehedinti | |
| RO-HR = Harghita | |
| RO-OT = Olt | |
| RO-NT = Neamt | |
| RO-IS = Iasi | |
| RO-DJ = Dolj | |
| RO-PH = Prahova | |
| RO-AB = Alba | |
| RO-SB = Sibiu | |
| RO-CJ = Cluj | |
| RO-SV = Suceava | |
| RO-IL = Ialomita | |
| RO-DB = Dimbovita | |
| RO-VN = Vrancea | |
| RO-CS = Caras-Severin | |
| RO-MS = Mures | |
| RO-AR = Arad | |
| RO-GR = Giurgiu | |
| RO-MM = Maramures | |
| RO-TR = Teleorman | |
| RO-CT = Constanta |