Reigning Heineken Cup champions Toulouse will travel to Dublin to meet Leinster in the first of the 2011 Heineken Cup semi-finals at the Aviva Stadium on Saturday, 30 April.
The French giants are looking to become the first team since Leicester Tigers in 2002 to retain the Heineken Cup and will be returning to the city where they won the title in 2003.
Leinster marched into their third successive semi-final with a win over Leicester Tigers at the Aviva Stadium on Saturday and will be looking for revenge over their French rivals having fallen 26-16 to them in Toulouse at the same stage last year.
The second semi-final will be at stadium:mk in Milton Keynes where the 2000 champions Northampton Saints will face Perpignan. The Saints beat Ulster 23-13 at stadium:mk in the quarter-finals, while Perpignan overcame Toulon in Barcelona.
Semi-Final 1: Leinster v Toulouse
Saturday, 30 April - Kick-Off 3.30pm - Aviva Stadium
Semi-Final 2: Northampton Saints v Perpignan
Sunday, 1 May - Kick-Off 3.00pm - stadium:mk