Llanfairpwllgwyngyll

Llanfairpwllgwyngyll or Llanfair Pwllgwyngyll (Welsh: [ɬan.ˌvair.puɬˈɡwɨ̞n.ɡɨ̞ɬ]), often shortened to Llanfairpwll and sometimes to Llanfair PG, is a village and community on the Isle of Anglesey, Wales. It is located on the Menai Strait, next to the Britannia Bridge. At the 2011 Census the population was 3,107, of whom 71% could speak Welsh. In 2021, the population decreased to 2,900 (rounded to the nearest 100). It is the sixth largest settlement in the county by population.

Llanfair­pwllgwyngyll­gogery­chwyrn­drobwll­llan­tysilio­gogo­goch ([ˌɬan.vair.pʊɬ.ˌɡwɨ̞ŋ.ɡɨ̞ɬ.ɡɔ.ˌɡɛ.rə.ˌχwərn.ˌdrɔ.bʊɬ.ˌɬan.tə.ˌsɪl.jɔˌɡɔ.ɡɔ.ˈɡoːχ] ^ⓘ) is a lengthened form of the community name, used in some contexts. With 58 characters split into 18 syllables, the small town is purported to have the longest name in Europe and the second longest one-word place name in the world.