| Castellan | |
|---|---|
  Castellan Location within Pembrokeshire | |
| Community | |
| Principal area | |
| Country | Wales |
| Sovereign state | United Kingdom |
| Post town | Boncath |
| Postcode district | SA37 |
| Dialling code | 01239 |
| Police | Dyfed-Powys |
| Fire | Mid and West Wales |
| Ambulance | Welsh |
| UK Parliament | |
| Senedd Cymru – Welsh Parliament | |
Castellan is an ancient hamlet and, until 1974, was a parish in the Hundred of Kilgerran, Pembrokeshire, Wales. It is situated in the north of the county on the slopes of Frenni Fawr, one mile (2 km) north of Crymych and included much of the village of Blaenffos.