Novak Djokovic, a Serbian professional tennis player, was born on 22 May 1987 in Belgrade, Yugoslavia.Djokovic has won three Grand Slam singles titles so far (at the time of July 2011), the 2008 Australian Open championship, 2011 Australian Open championship, and his very first 2011 Wimbledon Championships.Djokovic is the first tennis player representing Serbia to win Wimbledon singles title. For more information about Novak Djokovic, you can visit his wiki page - en.wikipedia.org/wiki/Novak_Djokovic