Llanfairpwllgwyngyll (long form Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch), also spelt Llanfair Pwllgwyngyll and commonly known as Llanfair PG or Llanfairpwll, is a village and community on the island of Angelesy inWales , situated on the Menai Strait next to Menai Bridge and across the strait from Bangor.
The long form of the name is the longest officially recognised place name in theUnited Kingdom and one of thelongest in the world, being 58 letters in length (51 letters in the Welsh alphabet, where "ch" and "11" count as single letters).
The name is Welsh for "St Mary's church in the hollow of the white hazel near to the rapid whirlpool and the church of St Tysilio of the red cave".