Having done the 9 battle sites of Arthur of the HB (leaving the 9 battle sites of Arthur in the PG for a separate article/dissertation/paper/book), we have two further remaining extra battle sites of Arthur to also address: Camlan/Avalon, and Arthuret. When one sees that Arthur's 12 battles 9 battles sites certainly match the Saxon Shore sites, then one also finds that this supplies a key to many other Arthurian places etc which are also found to have seeming matches thereabouts as well including Arthuret/Carwhinley.
Although the traditional/orthodox northern "Arthuret" site of 'Arthuret'/Carwhinley seems convincing because of the name match, there is actually some seeming evidences that Arthuret may have really been a battle site in our South-East Saxon Shore area rather than at the site in the north. The northern 'Arthuret' might just be a later analogous namesake memory copy of the original south-east site.
Candidates in the Saxon Shore area for Arthuret include: Arthgal of Salisbury (of the 11 Consuls, which might match Bassas/Reculver/Afarnach's hall). Andredesleaga/Andredesweald (the Weald, Caledon wood battle site). Andredescester (which might be Arthur's capital Richborough/Legionis or castellum Guinnion/Doverrather than Anderida/Pevensey?) Arthur of Guinnion/Badon (Dover). Arddunion of Gwallawg/Taliesin (Guinnion/Dover). Arderit (Trbruit which = Lemanis/Stutfall). Anderida (Pevensey, Agned/Bregion). Adurni (Portchester, our Badon site)? (Badbury Rings?)
Linguists says that the 2 names Arthuret and Anderida can't be related. Some versions of the name Anderida are very closely similar to versions of the name Arthuret though. (Arthuret, Armterid, Arywderit, Ar(f)derydd, Arderyd(d), Erderit; Anderitum, Anderita, Anderida, Anterida, Anderelio, coid/caer Andred, Ndr.) The origin/meaning of Arthuret is considered to be arf "arm/weapon" + terydd "ardent/fierce/flaming/blazing/swift/noble", or ard-righ "high king". Anderida has a number of linguistic origin/meaning theories including an-dar-udu "oak wood", or aened-mere "duck-mere", or ynn+deri+dan "great fords", or "the place at the river mouth", or "name of a goddess". However, we accept that the two places names are probably not related.
The 2 most likely candidates for Arthuret are Andredescester or Arthur of Guinnion. (Andred of Andredescester might possibly be connected with Arthur who might be connected with St Andrew (both being associated with Cross, etc)?)
In the AC Arthuret is associated with Gwendoleu, the sons of Eliffert, Rhydderch Hael, Merlin, and Caledon. Gwendoleu seems to be connected with Guinnion and Dover. Arthuret's alternative name of Carwhinley might be connected with Guinnion/"Winchester"? Dun Ardry resembles din Eidyn and fort Guinnion? The sons of Eliffert seemingly might be connected with the city of the legion? In Arthurian traditions these places/people seemingly might all be associated with the same site of the City of the Legion: Campus Electi, Campus Heli, Beli/Heli/Eli, vultures of Ely, Eliffert, Eliseg, Elmet. Arthur might match Ethelbert, and the names Arthuret and Eliffert are maybe similar to Arthur/Ethelbert? Rhydderch Hael's name is possibly similar to Rutupi/Richborough, though his numeric position in the Hen Ogledd could match Tribruit in the HB & ND/SS? Caledon wood is the Weald. Guinnion was in Caledon wood in Irish. Rutupi was also thought the be a wood and/or in Caledonian wood in one or two Roman sources. Merlin/Myrddin/Marthen might be linked with St Martin's of Dover or of Canterbury.
In some sources Arthuret comes after Camlan and is not necessarily even a battle of Arthur's (AC, Hergest, Ardrey), but in the Triads Arthuret seems to come between Goddeu and Camlan, and Adam Ardrey has Arthuret as a battle of Arthur's. Goddeu may match Caledon in some scholars opinions. Thus Arthuret can only possibly match a battle site of Arthur's between Guinnion & Badon in the HB (or between Bassas/Reculver and Badon/Portchester, since the 3rd and 4th battle sites cross-switch match between the HB & ND/SS & PG). Goddeu, Arthuret and Camlan of the Triad could match the middle three battle sites of the HB or PG & ND/SS? This makes Guinnion/Dover or Legionis/Richborough a likely match.