Ceredigion (UK Parliament constituency) towns which comprised the Boroughs varied slightly over this long period, but primarily consisted of Cardigan, Aberystwyth, Lampeter and Adpar, the latter now a suburb of Newcastle Emlyn across the Teifi, in Carmarthenshire. The county constituency (for the purposes of type of returning officer and electoral expenses) was enlarged in 1983 with the addition of part of Pembrokeshire, being renamed Ceredigion and Pembroke North. In 1997 it reverted to its former boundaries, being renamed Ceredigion. The Ceredigion Welsh Assembly constituency was created with the same boundaries in 1999. Since 2017 the seat has been held in Parliament by Ben Lake
History of the Welsh language speaking Cumbric, and those in the south-west, speaking what would become Cornish, and so the languages diverged. The Book of Aneirin ("Canu Aneirin", c. AD 600) and the Poetry, or Book, of Taliesin ("Canu Taliesin") belong to this era, though both also include some poems originally written in Primitive Welsh. Middle Welsh () is the label attached to the Welsh of the 12th to 14th centuries, of which much more remains than for any earlier period. This is the language of nearly all surviving early manuscripts of the "Mabinogion", although the tales themselves are certainly much older. It is also