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

Among those hoping to catch a glimpse of the bird near the Anglesey Wall on Sunday was ornithologist and artist Richard Partis.

From BBC • Jun. 9, 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

Speaking at the Urdd Eisteddfod on Anglesey on Wednesday, ap Iorwerth said it had been Plaid policy for "many, many years" that something needed to be done to "unclog that Brynglas bottleneck".

From BBC • May 28, 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