Until 1974, Merionethshire or Merioneth was an administrative county in the north-west of Wales, later classed as one of the thirteen historic counties of Wales.
County Hall in Dolgellau
Until 1974, Caernarfonshire, sometimes spelled Caernarvonshire or Carnarvonshire, was an administrative county in the north-west of Wales, later classed as one of the thirteen historic counties of Wales.
County Hall, Caernarfon