Both the Scarlets and the Blues will have home advantage when they attack the 15th Heineken Cup competiton in October.
The Blues will play their first European match at their Cardiff City Stadium against Harlequins, while the Scarlets will begin their campaign by welcoming Brive to west Wales.
Leinster will launch the defence of their Heineken Cup title against London Irish on the evening of Friday 9, October 2009 at the RDS in Dublin in what will be their first meeting in Europe's premier club rugby tournament
The fixtures, dates, kick-off times and host broadcasters for the first four Rounds of the 15th edition of the Heineken Cup were today (Thursday, 23 July) announced by ERC, the tournament organisers.
Leo Cullen's champions then travel to France to clash with 1997 winners Brive in another tournament first meeting before their quick-fire back-to-back contests with more familiar opponents the Scarlets.
Former double champions Leicester Tigers, beaten 19-16 in the 2009 final at Murrayfield two months ago, open their challenge in the Heineken Cup 2009/10 at the revamped 24,000-capacity Welford Road against the Ospreys in a carbon copy start to last season's campaign.
While the English champions have the bonus of a home start, French champions Perpignan begin on the road against top Italian club Benetton Treviso with Heineken Cup 2009 semi-finalists Cardiff Blues home to Harlequins and Munster travelling to Northampton Saints in yet another clash of former tournament winners.
The last five years have been an emotional rollercoaster on and off the pitch for RGC1404. Promotion to the Principality Premiership was the culmination of five years of hard work and investment in North Wales. WRU TV caught up with prop Joe Simpson, who was one of the first intake of WRU North Wales Academy players in 2010.
Ebbw Vale captain Damien Hudd picked up the biggest accolade of the night at the 11th Principality Premiership Awards Evening held at Principality Stadium, after leading his side to the title for the first time.
Wales assistant coach Robin McBryde is predicting a tough battle against England on Sunday despite the fact they may not be considered to be at full strength. Players will be out to impress Eddie Jones which makes England a dangerous proposition, he says.
Wales U20 captain Tom Phillips and performance psychologist Dr Rich Neil explain why spending three days at Monmouth RFC has further strengthened the togetherness of the squad ahead of the #WorldRugbyU20s