Bulgaria is participating in the 2012 London Olympics.
A grand total of 205 countries are participating in London's 2012 Olympics.
Yes, Greece is participating in the 2012 London Olympics.
530 US athletes will be participating at the 2012 London Olympics.
A total of 950 competitors will be in a total of 34 competitions in the London 2012 olympics For swimming
Yes, Liberia is participating in the 2012 Olympics.
There are over 10,000 athletes competing