Edinburgh and London Irish are to meet holders Stade Francais in the Pool stage of next season's European Challenge Cup.
Northampton will take on Stade Francais for a place in next season's European Champions Cup after beating Connacht in the play-off semi-final.
Munster finish top of the Pro12 table by running in seven tries as they beat Irish interprovincials Connacht.
Ulster backs Ruan Pienaar and Charles Piutau are named in a Munster-dominated Pro12 team of the season.
Audio & Video
Highlights as Pro12 champions Connacht beat Newport Gwent Dragons in Galway.
How to get into rugby union
How to get into rugby union - into the thick of the 15-player game or try rugby sevens, which made its Olympic debut in 2016.
Rugby alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
Commentaries, clips and podcasts
Enjoy the best debate, analysis and interviews with BBC 5 live and World Service plus our rugby union commentary listings.
What's on BBC Sport this week
This week's sport on the BBC includes the World Aquatic Championships, England v South Africa in the third Test and the Challenge Cup semi-finals.