In which city were the 2017 UCI Mountain Bike World Championships held; a city within the largest country in Oceania and the world's sixth largest country by total area?
2017 UCI Mountain Bike World Championships: The 2017 UCI Mountain Bike World Championships was the 28th edition of the UCI Mountain Bike World Championships. 2017 UCI Mountain Bike World Championships:  The world championships in cross-country and downhill were held in Cairns, Australia, from 5 to 10 September 2017. Australia: Australia ( , , ), officially the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania and numerous smaller islands. Australia:  It is the largest country in Oceania and the world's sixth-largest country by total area.
Cairns