The World Group was the highest level of Davis Cup competition in 2011. The first round losers went into the Davis Cup World Group Play-offs and the winners progress to the quarterfinals. The quarterfinalists were guaranteed a World Group spot for 2012. The competition was won by Spain who defeated Argentina in the final.
Draw
The draw for the World Group was made in Brussels in September 2010.
References
2011 Davis Cup World Group Wikipedia(Text) CC BY-SA