Kingdom of Ceredigion
The Kingdom of Ceredigion (Teyrnas Ceredigion) was a Welsh kingdom that formed in the mid-5th century after the Romans left Britain. It lay along Cardigan Bay in west Wales, in hilly country that helped protect it from invaders. The name means “the people of Ceredig.”
According to tradition, it was founded by Ceredig, the son of Cunedda, who is said to have moved from the north in the 5th century. The area roughly matches the modern county of Ceredigion. The kingdom stayed independent until around the year 872.
Before and after it became a kingdom, parts of the land were associated with different groups; the Demetae in pre-Roman times and perhaps the Ordovices, but Dyfed did not include Ceredigion. Medieval sources sometimes describe the southern boundary as the Teifi River or the Gwaun River, and later, in 1291, some lands were grouped with Cardigan for church administration. Today, the name Ceredigion is the name of the western Welsh county that covers most of the old kingdom.
This page was last edited on 3 February 2026, at 06:49 (CET).