- Capital: Cardiff
- Population: 3 million
Stadiums – Europe – United Kingdom – Wales
| Location | Stadium | Capacity | Main use |
| Cardiff | Principality Stadium | 73,000 | Rugby union |
| Cardiff | Cardiff City Stadium | 33,000 | Football |
| Swansea | Swansea.com Stadium | 21,000 | Football, rugby union |
| Cardiff | Cardiff Wales Stadium | 15,000 | Cricket |
| Llanelli | Parc y Scarlets | 14,000 | Rugby union |