Prydain (Middle Welsh: Prydein)'s the modern Welsh name for Britain. Medieval Prydain's the medieval Welsh term for the island of Britain, which was previously known as Albion. More specifically, Prydain may refer to the Britonnic parts of the island; that's, the parts south of Caledonia. This distinction derives from Roman times, when the island was divided into Roman Britain to the south and the land of the Caledonians to the North. The peoples north of the Roman borders eventually came to be… (More on Prydain)