Castell Nedd

Castell Nedd, or Neath in English, named after the river Nedd. Neath is an anglicisation of Nedd, in Welsh it's called Castell Nedd, Neath Castle. Welsh speakers have kept the location of the castle a secret from those who don't speak the language, enjoying fantastic parties in its grounds every summer where Welsh speakers drink medd, which although sounds like Nedd is actually an alcoholic drink made from fermenting honey, known in English as mead. The songs of Max Boyce are sung and bara brith is eaten.

The M4 was built specifically to link Castell Nedd with Llundain (London). Nobody to this day knows why.