The 2011 edition saw the returns of Austria , which had last participated in 2007 ; Italy , which had last participated in 1997 ; San Marino , which had only taken part in 2008 ; and Hungary , which had last participated in 2009 .
The 2011 edition which will mark the returns of Austria , which last participated in 2007 , Italy , which last participated in 1997 , San Marino , which only took part in 2008 , and Hungary , which last participated in 2009 .