Taumata­whakatangihanga­koauau­o­tamatea­turi­pukakapiki­maunga­horo­nuku­pokai­whenua­kitanatahu.

Yes - it is officially the longest place name in the world. It is Māori for "The summit where Tamatea, the man with the big knees, the climber of mountains, the land-swallower who travelled about, played his nose flute to his loved one".

It's location is in North Island, New Zealand.
Taumatawhakatangihangakoauauotamateapokaiwhenuakitanatahu is it's short form.

By the way, if you can pronounce Taumata­whakatangihanga­koauau­o­tamatea­turi­pukakapiki­maunga­horo­nuku­pokai­whenua­kitanatahu, then you really need to get a life.

I can pronounce and spell Pneumonoultramicroscopicsiliovolcanoconiosis, but Taumata­whakatangihanga­koauau­o­tamatea­turi­pukakapiki­maunga­horo­nuku­pokai­whenua­kitanatahu is just too long.
Get the taumata­whakatangihanga­koauau­o­tamatea­turi­pukakapiki­maunga­horo­nuku­pokai­whenua­kitanatahu mug.