The veterans sat out the first round when Sara Errani and Roberta Vinci led the team to a 3-2 win over the United States. Errani and Vinci remain in the team.
The semifinal is scheduled for April 20-21 on red clay at the Palermo tennis club.
It's the fifth straight semifinal for Italy, which won the title in 2006, 2009 and 2010. Last year at this stage, Italy lost to the Czechs, who have won two straight titles with former Wimbledon champion Petra Kvitova leading the way.
In past meetings, Italy and the Czechs are tied 4-4.