Llanfairpwllgwyngyll, or Llanfair Pwllgwyngyll (Welsh: [ɬanˌvair puɬˈɡwɨ̞nɡɨ̞ɬ]), is a large village and local government community on the island of Anglesey, Wales, on the Menai Strait next to the Britannia Bridge and across the strait from Bangor. Both shortened (Llanfairpwll or Llanfair PG) and lengthened (Llanfair­pwllgwyngyll­gogery­chwyrn­drobwll­llan­tysilio­gogo­goch) forms of the placename are used in various contexts (with the longer form pronounced [ˌɬanvair​pʊɬˌɡwɨ̞ŋɡɨ̞ɬ​ɡɔˌɡɛrə​ˌχwərn​ˌdrɔbʊɬ​ˌɬan​təˌsɪljɔ​ˌɡɔɡɔ​ˈɡoːχ] (listen)).

Llanfairpwllgwyngyll
Llanfairpwllgwyngyll Location within Anglesey
Population	3,028 (2020 estimate)[1]
OS grid reference	SH528716
Community	Llanfair Pwllgwyngyll[2][3]
Principal area	Isle of Anglesey
Ceremonial county	Gwynedd
Country	Wales
Sovereign state	United Kingdom
Post town	LLANFAIRPWLLGWYNGYLL
Postcode district	LL61
Dialling code	01248
Police	North Wales
Fire	North Wales
Ambulance	Welsh
UK Parliament	Ynys Môn
Senedd Cymru – Welsh Parliament	Ynys Môn
List of places UK Wales Anglesey53.2232°N 4.2008°W

At the 2011 Census, the population was 3,107,^[4] of whom 71% could speak Welsh.^[5] It is the sixth largest settlement on the island by population.

The long form of the name, with 58 characters split into 18 syllables, is purported to be the longest place name in Europe and the second longest one-word place name in the world.^[6][7]