Gwynedd

American  

[gwin-eth] / ˈgwɪn ɛð /

noun

1. a county in northwestern Wales. 979 sq. mi. (2,535 sq. km).

---

Gwynedd British  

/ ˈɡwɪnɛð /

noun

1. a county of NW Wales, formed in 1974 from Anglesey, Caernarvonshire, part of Denbighshire, and most of Merionethshire; lost Anglesey and part of the NE in 1996: generally mountainous with many lakes, much of it lying in Snowdonia National Park. Administrative centre: Caernarfon. Pop: 117 500 (2003 est). Area: 2550 sq km (869 sq miles)

---

Etymology

Origin of Gwynedd

Of uncertain origin; from Welsh Gwynedd, and possibly meaning “collection of tribes,” a borrowing from early Irish (and a reflection of ancient Irish settlement in the area), and either cognate with the Old Irish ethnic name Féni “Irish (People),” or from Old Irish fían “war band”

Example Sentences

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

In Pwllheli, Gwynedd, a group of new mums meet up every week as part of the Stroll Patrol walking club.

From BBC • May 13, 2026

It was in September 2024 that Huw, from Llanuwchllyn, Gwynedd, first realised something was wrong while swimming in Llyn Tegid.

From BBC • May 2, 2026

Sion, 38, from Porthmadog, Gwynedd, began his fitness journey in 2013 after his first year at university in Liverpool.

From BBC • Apr. 10, 2026

“I’m taking these folks on up to Gwynedd, and the wife and me are heading for her mother’s in Bethlehem.”

From "Fever 1793" by Laurie Halse Anderson