Llangefni

Llangefni
Llangefni clock tower
Llangefni
Location within Anglesey
Population5,116 2011 Census
OS grid referenceSH4675
Principal area
Preserved county
CountryWales
Sovereign stateUnited Kingdom
Post townLlangefni
Postcode districtLL77
Dialling code01248
PoliceNorth Wales
FireNorth Wales
AmbulanceWelsh
UK Parliament
Senedd Cymru – Welsh Parliament

Llangefni (Welsh for 'church on the river Cefni'; Welsh pronunciation: [ɬaŋˈɡɛvni]) is the county town of Anglesey in Wales. At the 2011 census, Llangefni's population was 5,116, making it the second-largest town in the county and the largest on the island. The community includes the village of Rhosmeirch. In 2022, population was 7,039 people.