Seisyllwg was a petty kingdom of medieval Wales. It is unclear when it emerged as a distinct unit, but according to later sources it consisted of the former Kingdom of Ceredigion plus the region known as Ystrad Tywi. Thus it covered the modern county of Ceredigion, part of Carmarthenshire, and the Gower Peninsula. It is evidently named after Seisyll, king of Ceridigion in the 7th or early 8th century, but it is unknown if he was directly responsible for its establishment. Go to the map ⬆⬆

Points of interest in the map


Nearby points of interest.

You can find around this zone pois of interest and places relates with Rivers and tributaries

Rivers and tributaries

  1. Afon Melynllyn
  2. Afon Ogwen

Other interest places

  1. Llangoed
  2. Castillo de Beaumaris
  3. Beaumaris
  4. Trwyn Du Lighthouse
  5. Maesgeirchen
  6. Afon Lloer
  7. Seisyllwg
  8. Conwy Bay
  9. Drum (Wales)
  10. Llyn Llyffant

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