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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.

After Hugheston-Roberts shared news of the heron's arrival in Caernarfon, word spread.

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

Kershaw appeared at Caernarfon Magistrates' Court and admitted five counts of fraud.

From BBC • Apr. 20, 2026

Gwynfor Coaches, which runs buses in Anglesey, Caernarfon, Llanberis and Snowdonia, said it had suspended some services due to rural roads being "completely unsafe, and drivers unable to come in to work".

From BBC • Jan. 4, 2026

She told the monarch on Thursday: "I remember when your mother crowned you in Caernarfon Castle."

From BBC • Sep. 21, 2025

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