Dyfed 's a preserved county of Wales. Dyfed was created by the Local Government Act 1972 on 1 April 1974. It was formed from the administrative counties of Cardiganshire, Carmarthenshire, Pembrokeshire and was divided into local government districts as so: Administrative county1889-1974 Local government districts1974-1996 Cardiganshire Ceredigion Carmarthenshire Carmarthen, Dinefwr, Llanelli Pembrokeshire Preseli, South Pembroke The Lord Lieutenant of Dyfed had previously been the Lord… (More on Dyfed)