Chapman County Codes for Wales
The three-letter abbreviations shown on this map are the well-known Chapman County Codes
| Chapman county codes for the 'old' counties of Wales. | |
| Anglesey | AGY |
| Breconshire | BRE |
| Caernarvonshire | CAE |
| Cardiganshire | CGN |
| Carmarthenshire | CMN |
| Denbighshire | DEN |
| Dyfed | DFD |
| Flint | FLN |
| Glamorgan | GLA |
| Merionethshire | MER |
| Monmouthshire | MON |
| Montgomeryshire | MGY |
| Pembrokeshire | PEM |
| Radnorshire | RAD |