| Country: | Wales |
| Official Name: | Tre-Wen |
| Coordinates: | 52.0489°N -4.4909°W |
| Cardiff Distance Mi: | 68.6 |
| Cardiff Distance Km: | 110.4 |
| London Distance Mi: | 190.2 |
| London Distance Km: | 306.1 |
| Unitary Wales: | Ceredigion |
| Community Wales: | Beulah |
| Constituency Welsh Assembly: | Ceredigion |
| Constituency Westminster: | Ceredigion Preseli |
| Post Town: | Newcastle Emlyn |
| Postcode District: | SA38 |
| Postcode Area: | SA |
| Os Grid Reference: | SN 2929 4188 |
Tre-Wen is a small village in the community of Beulah, Ceredigion, Wales, which is 68.6 miles (110.4 km) from Cardiff and 190.2 miles (306.1 km) from London. Tre-Wen is represented in the Senedd by Elin Jones (Plaid Cymru) and is part of the Ceredigion Preseli constituency in the House of Commons.[1] [2]