Dogfeiling was a minor sub-kingdom and later a commote

Commote

A commote , sometimes spelt in older documents as cymwd, was a secular division of land in Medieval Wales. The word derives from the prefix cym- and the noun bod...

 in north Wales

Wales

Wales is a country that is part of the United Kingdom and the island of Great Britain, bordered by England to its east and the Atlantic Ocean and Irish Sea to its west. It has a population of three million, and a total area of 20,779 km²...

.

It formed part of the eastern border of the Kingdom of Gwynedd

Kingdom of Gwynedd

Gwynedd was one petty kingdom of several Welsh successor states which emerged in 5th-century post-Roman Britain in the Early Middle Ages, and later evolved into a principality during the High Middle Ages. It was based on the former Brythonic tribal lands of the Ordovices, Gangani, and the...

 in early medieval Wales. The area was named for Dogfael, one of the sons of the first King of Gwynedd

Gwynedd

Gwynedd is a county in north-west Wales, named after the old Kingdom of Gwynedd. Although the second biggest in terms of geographical area, it is also one of the most sparsely populated...

, Cunedda

Cunedda

Cunedda ap Edern , was an important early Welsh leader, and the progenitor of the royal dynasty of Gwynedd.-Background and life:The name Cunedda derives from the Brythonic word , meaning good hound. His genealogy is traced back to Padarn Beisrudd, which literally translates as Paternus of the...

. It existed from the year 445 until sometime around the year 700 when it was re-absorbed back into Gwynedd proper.