Longest officially recognized place name

Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu.

Longest officially recognized place name is : Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu, has 85 letters.
Taumata­whakatangihanga­koauau­o­tamatea­turi­pukakapiki­maunga­horo­nuku­pokai­whenua­kitanatahu is the Māori name for a hill, 305 metres (1,001 ft) high, close to Porangahau, south of Waipukurau in southern Hawke's Bay, New Zealand.