Perfeddwlad

Perfeddwlad or Y Berfeddwlad was an historic name for the territories in Wales lying between the River Conwy and the River Dee. comprising the cantrefi of Rhos, Rhufoniog, Dyffryn Clwyd and Tegeingl. Perfeddwlad thus was also known as the Four Cantrefs.

==Early history== thumb|right|Perfeddulad For much of its history the area had been known as Tegeingl, after the Celtic tribe Deceangli which inhabited North East Wales since the Iron Age. This was also the name of the most easterly cantref of the region. As the Kingdom of Gwynedd emerged as the dominant power in North Wales, the area also became known as Gwynedd Is Conwy (Gwynedd "below" the Conwy River).