Anglesey

American  

[ang-guhl-see] / ˈæŋ gəl si /

noun

1. an island and county in northwestern Wales. 276 sq. mi. (714 sq. km).

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Anglesey British  

/ ˈæŋɡəlsɪ /

noun

1. Welsh name: Ynys Môn.  an island and county of N Wales, formerly part of Gwynedd (1974–96), separated from the mainland by the Menai Strait. Administrative centre: Llangefni. Pop: 59 500 (2003 est). Area: 720 sq km (278 sq miles)

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Etymology

Origin of Anglesey

Possibly from Old Norse Ǫngullsey “Hook Island,” or Old Norse Ǫnglisey “Ǫngli's Island”

Example Sentences

Marine specialist Frankie Hobro, of Anglesey Sea Zoo, said the creatures were beautiful but warned people not to touch them due to their sting.

From BBC • Jun. 18, 2026

Wales sometimes plays itself, like in British comedy “Gavin & Stacey,” which was filmed in Barry, or detective thriller “Under Salt Marsh,” which shot in Anglesey and Gwynedd.

From Los Angeles Times • Jun. 2, 2026

Anglesey and Gwynedd councils said a "precautionary inspection" was being carried out after a suspected breach of the weight limit and the bridge would reopen only when confirmed safe.

From BBC • May 27, 2026

The Welsh government said it recognised the importance of having reliable links between Anglesey and the mainland, and was "working with partners to keep routes open and reduce the level of disruption".

From BBC • May 27, 2026

But destruction involved all of agricultural England, from Angus in the north to Cornwall in the south, from Anglesey in the west to Norfolk in the east.

From "Silent Spring" by Rachel Carson