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Caernarfon

American  
[kahr-nahr-vuhn] / kɑrˈnɑr vən /
Or Caernarvon,

noun

  1. a seaport in western Gwynedd, in northwestern Wales, on the Menai Strait, built around a 13th-century castle of Edward II.

  2. Caernarvonshire.


Caernarfon British  
/ kɑːˈnɑːvən /

noun

  1. a port and resort in NW Wales, in Gwynedd on the Menai Strait: 13th-century castle. Pop: 9726 (2001)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of Caernarfon

From Welsh, equivalent to caer “Fort” + yn “in” (i.e., “facing”) Arfon “Angelsey”

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Ornithologist Simon Hugheston-Roberts spotted the western reef heron - more commonly found in southern Europe, Africa and parts of Asia - at Y Foryd in Caernarfon at 10:00 BST on Saturday.

From BBC • Jun. 9, 2026

Galeri in Caernarfon, Gwynedd, announced the change following increasing reports of anti-social behaviour from "some young people" visiting the cinema.

From BBC • May 21, 2026

Sports-mad John McAllister went to the Winter Olympics and back in 24 hours - for the same price as going to see Barry Town play Caernarfon in Llandudno.

From BBC • Feb. 20, 2026

As a choirboy with "the voice of an angel", aged 19 he carried a cross leading a procession at Prince Charles's 1969 investiture in Jones's Caernarfon hometown, watched by hundreds of millions worldwide.

From BBC • Dec. 31, 2025

"On Saturday, me and my colleague were phoning up companies in and around Llanberis, Bangor and Caernarfon asking for help," Mr McIntyre said.

From BBC • Dec. 8, 2025

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