Speaking to the East Anglian Daily Times, Joe Royle said: "We are hoping to confirm the teams we are playing in the next 12 hours or so but all three are in the top flight of their respective countries.
"The football should be of a good standard and hopefully it will be good for the fans in terms of being able to get to and affordability."
The players will return to the club on June 26th for pre-season and will play in Holland and Belgium in mid july.
The club prepared for 2005/2006 in Hungary and will host Lazio in the annual big home friendly at Portman Road ahead of 3006/2007. The friendly is part of the deal that took eccentric goalkeeper Matteo Sereni to Rome.