It is the longest place name in the world, a hill near Porangahau in New Zealand. It means “The hill where the great traveller Tamatea with the bony knees, who slid and climbed mountains, played his flute to his beloved”, according to Wikipedia.
Taumatawhakatangihangakoauauotamateaturipukakapikimaungahoronukupokaiwhenuarakitanatahu is not the longest place name in the world. The long name for Bangkok is! (Krung Thep Mahana Khon Amon Rattanakosin Mahinthara Ayuthaya Mahadilok Phop Noppharat Ratchathani Burirom Udomratchaniwet Mahasathan Amon Piman Awatan Sathit Sakkathattiya Witsanukam Prasit)! Very fun quiz, though!