I do like to come up with new things where possible; was a bit "strapped for" places on the A4085 -- Beddgelert striking me as "old hat" in the extreme...That is one of your better "where on Earth is this one situated" posers, so my usual reversion to past matters was called upon....
Chwilog has a pub called the Madryn Arms -- the only pub with that name, in Britain. Similarly boasting a uniquely-named pub is Hampton Bishop, Herefordshire -- a little way south-east of Hereford -- with its hostelry by the name of the Bunch of Carrots.Chwilog in Gwynedd was also once governed by the strictures of the Eifonydd commote.
Bolded name -- looks like something out of the imagination of Barbara Euphan ToddMansell Gamage in Herefordshire was also once administered by the Hundred of Grimsworth.
Respectfully: would appear to me, that it's Sarnesfield.Samesfield in Herefordshire is also one of the accredited "Black and White" villages of Herefordshire