The IOC chooses it.
Rio de Janeiro, Brazil.
There is an International Olympic Committee that chooses a city to host the upcoming games. The city that is hosting the next games, organizes it.
The next Olympic Games will be held at the United Kingdom, London.
In the next host city.
The 2014 Winter Olympics will be held in Sochi, Russia.
Brazil will host the next Summer Olympic games in 2016.
Cities interested in hosting the Olympic Games submit a bid to the International Olympic Committee. The bids are evaluated by the committee who then makes the choice of the host city.
Brazil in 2015
This is not suprising and is very obvious but is actually the Olympic torch
i think the the Olympics Will host the Summer Olympics in winter