None.
Host countries and cities are not decided so far in the future.
London will host the 2012 Olympics
will host London will host the Olympics in a few days.
In Dumas, TX
The next host city of the Olympics will be Rio de Janeiro, Brazil, The cities and countries that host the Olympics are decided well in advance.
Rome
France
A host city for the 2208 Olympics has not been announced. As of 2010, only the next two host cities have been announced: London will host the Games in 2012, and Rio will host the Games in 2016.
As of recent, Chicago and New York City have both bid and were unsuccessful in their attempts to hos thte Olympic games.
London will host in 2012, Rio de Janeiro have won the right to host in 2016.
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Yes it is. Cities normally host Olympics and Luxembourg is a country. While it is small it is still more than big enough to host the Olympics. Like any city that has hosted the Olympics, all it would need would be to build some more facilities.