SWYDD-with-Graig, a hamlet, in the parish of Llandegley, union of Kington, hundred of Kevenlleece, county of Radnor, South Wales, 1 mile (E. N. E.) from Pen-y-bont; containing 225 inhabitants. It forms the northern portion of the parish, which borders on the ancient Forest of Radnor, and lies between the left bank of the Cymaron brook and the lofty and mountainous range of that district.