, HQ=
County Hall,
Caernarfon
Caernarfon (; ) is a royal town, community and port in Gwynedd, Wales, with a population of 9,852 (with Caeathro). It lies along the A487 road, on the eastern shore of the Menai Strait, opposite the Isle of Anglesey. The city of Bangor i ...
, Map=
, Image=

Flag
A flag is a piece of fabric (most often rectangular or quadrilateral) with a distinctive design and colours. It is used as a symbol, a signalling device, or for decoration. The term ''flag'' is also used to refer to the graphic design emp ...
, Motto= Cadernid Gwynedd (The strength of Gwynedd)
, year_start=
, Arms=
''Coat of arms of Caernarvonshire County Council''
, Code= CAE
, CodeName=
Chapman code
Chapman codes are a set of 3-letter codes used in genealogy to identify the administrative divisions in the United Kingdom, Ireland, the Isle of Man and the Channel Islands.
Use
They were created by the historian, Dr. Colin R Chapman, in the ...
, Government= Carnarvonshire County Council (1889 - 1926)
Caernarvonshire County Council (1926-1974)
, PopulationFirst= 66,448
[Vision of Britain ]
1831 Census
/ref>
, PopulationFirstYear= 1831
, AreaFirst=
, AreaFirstYear= 1831
, DensityFirst= 0.2/acre
, DensityFirstYear= 1831
, PopulationSecond= 125,043
, PopulationSecondYear= 1911
, AreaSecond=
, AreaSecondYear= 1911
, DensitySecond= 0.3/acre
, DensitySecondYear= 1911
, PopulationLast= 121,767
, PopulationLastYear= 1961
, AreaLast=
, AreaLastYear= 1961
, DensityLast= 0.3/acre
, DensityLastYear= 1961
Caernarfonshire (; cy, Sir Gaernarfon, ), sometimes spelled Caernarvonshire or Carnarvonshire, is one of the thirteen historic counties, a vice-county
A vice-county (vice county or biological vice-county) is a geographical division of the British Isles used for the purposes of biological recording and other scientific data-gathering. It is sometimes called a Watsonian vice-county as vice-co ...
and a former administrative county of Wales
Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–Engl