Prydain (Middle Welsh: Prydein) is the modern Welsh name for Britain. Medieval In mediaeval texts (for example the Mabinogion), the term often refers to the northernmost part of the island, beyond the Forth and Clyde. This may be as a result of conflation with Prydyn, the medieval Welsh name for the land of the Picts. The term Ynys Prydain ("Island, or Land, of Prydain") is commonly used to refer to the lands of the Brythonic inhabitants of southern Britain, south of Prydyn. Middle Welsh ynys,… (More on Prydain)