What is the longest town name in the world? Consisting of 58 letters, Llanfair­pwllgwyngyll­gogery­chwyrn­drobwll­llan­tysilio­gogo­goch in Wales is the longest town name in the world.

Great Big Story. Exploring Europe's longest town name, Llanfair PG. Posted: December 9, 2024 | Last updated: March 19, 2025. Dive into the story behind the 58-letter Welsh town name that's a ...