The ancient Welsh

cantref A cantref ( ; ; plural cantrefi or cantrefs; also rendered as ''cantred'') was a medieval Welsh land division, particularly important in the administration of Welsh law. Description Land in medieval Wales was divided into ''cantrefi'', which were ...

of Arllechwedd in north-west

Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...

was part of the

kingdom of Gwynedd The Kingdom of Gwynedd (Medieval Latin: ; Middle Welsh: ) was a Welsh kingdom and a Roman Empire successor state that emerged in sub-Roman Britain in the 5th century during the Anglo-Saxon settlement of Britain. Based in northwest Wales, th ...

for much of its history until it was included in the new county of

Caernarfonshire , HQ= County Hall, Caernarfon , Map= , Image= Flag , Motto= Cadernid Gwynedd (The strength of Gwynedd) , year_start= , Arms= ''Coat of arms of Caerna ...

, together with Arfon and Llŷn under the terms of the

Statute of Rhuddlan The Statute of Rhuddlan (12 Edw 1 cc.1–14; cy, Statud Rhuddlan ), also known as the Statutes of Wales ( la, Statuta Valliae) or as the Statute of Wales ( la, Statutum Valliae, links=no), provided the constitutional basis for the government of ...

in 1284. In the

middle ages In the history of Europe, the Middle Ages or medieval period lasted approximately from the late 5th to the late 15th centuries, similar to the post-classical period of global history. It began with the fall of the Western Roman Empire a ...

the Cantref Arllechwedd was one of the core territories of the Kingdom of Gwynedd and formed the entire west bank of the

River Conwy , name_etymology = , image = Boats in River Conwy.jpg , image_size = 300 , image_caption = Boats in the river estuary at Conwy , map = , map_size = , map_caption = , push ...

. Within this cantref were found some of the most important civil, religious and military centres of that kingdom, including the palace of

Abergwyngregyn Abergwyngregyn () is a village and community of historical note in Gwynedd, a county and principal area in Wales. Under its historic name of Aber Garth Celyn it was the seat of Llywelyn ap Gruffudd. It lies in the historic county of Caernarf ...

Dolwyddelan Castle Dolwyddelan Castle ( ; cy, Castell Dolwyddelan; ) is a Welsh castle located near Dolwyddelan in Conwy County Borough in North Wales. It is thought to have been built in the early 13th century by Llywelyn the Great, Prince of Gwynedd and Wal ...

and

Aberconwy Abbey Aberconwy Abbey was a Cistercian foundation at Conwy, later transferred to Maenan near Llanrwst, and in the 13th century was the most important abbey in the north of Wales. A Cistercian house was founded at Rhedynog Felen near Caernarfon in 118 ...

. Within Arllechwedd there were three divisions or cymydau, which were: * Arllechwedd Uchaf (Upper Arllechwedd, bordering the sea to the north and the cantref of Arfon to the west) * Arllechwedd Isaf (Lower Arllechwedd, also in the north of the cantref but on the river Conwy to the east) * Nant Conwy (Conwy Mountain, the southern portion and greatest area of the cantref, west of the Conwy from Dolgarrog to its source) Arllechwedd remains an ecclesiastical unit of the

Church in Wales The Church in Wales ( cy, Yr Eglwys yng Nghymru) is an Anglicanism, Anglican church in Wales, composed of six dioceses. The Archbishop of Wales does not have a fixed archiepiscopal see, but serves concurrently as one of the six diocesan bishop ...

to this day. Most of the territory is now in

Conwy County Borough Conwy County Borough ( cy, Bwrdeistref Sirol Conwy) is a county borough in Wales. It borders Gwynedd to the west and south, and Denbighshire to the east. Other settlements in the county borough include Abergele, Betws-y-Coed, Colwyn Bay, Conwy, ...

and the western part lies in

Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...

References

Cantrefs Commotes of Gwynedd 13th century in Wales {{Conwy-geo-stub