After Cardiff, the tour will continue through Europe, making stops in France, Germany, the Netherlands and Italy, as well as elsewhere in the U.K., including a Sept. 11 performance at London's Wembley Stadium.
The tour's North American leg kicks off Oct. 3 in East Rutherford, N.J., followed by 17 performances in the U.S. and Canada, including N.Y.C.'s Madison Square Garden on Oct. 6 and Oct. 7, and L.A.'s Dodger Stadium on Nov. 6. The final U.S. date is on Nov. 26 at Miami's Dolphin Stadium.
Additional dates in Mexico and South America will also be added, said the tour organizer.
Tickets for some U.S. dates go on sale May 12. Madonna's Web site has tour information.