Caerwent a centre for the Kingdom of Gwent after the Roman occupation. The name Caerwent translates from Welsh as "fort of Gwent", and the name Gwent derives from the Roman name "Venta (Silurum)". The English town name of Winchester has a parallel derivation, ultimately from the combination of the Latin words "Venta", in that case, "Venta Belgarum", and "castra". Caerwent remained an important centre, where the road between Gloucester and Caerleon met the north-south road from Shrewsbury, via Monmouth and Trellech, to the sea at Portskewett. Excavations at Caerwent have revealed remains and everyday objects from the post-Roman period. Metalwork, including
Venta Silurum to the emerging Kingdom of Gwent (called initially "Kingdom of Guenta"), and the town itself became known as "Caer-went" or "the castra/fort of Venta/Gwent". Tradition holds that Caradog Freichfras of Gwent moved his court from Caerwent to Portskewett around the 6th century. The town lacked substantial defences until the mid 4th century when stone town walls were built. A small garrison may have been based in the town during this period. Large sections of the defensive walls are still in place, rising up to 5 metres in height in places. The walls have been described as "easily the most impressive