The Aviva Premiership and Guinness Pro 14 boast some of the finest, most iconic rugby stadiums in the world.
The two divisions are the best attended in world rugby, but how do the arenas compare?
26. Zebre's Stadio Sergio Lanfranchi has a capacity of 5,000
25. Edinburgh's Myreside Stadium has a capacity of 5,500
24. Benetton Treviso's Stadio Comunale di Monigo has a capacity of 6,700
23. Connacht's Galway Sportsground has a capacity of 8,100
22. Glasgow Warriors' Scotstoun Stadium has a capacity of 9,708
21. Dragon's Rodney Parade holds 8,100 fans
20. Saracens' Allianz Park has a capacity of 10,000
19. Newcastle Falcons Kingston Park has a capacity of 10,200
18. Sale Sharks AJ Bell Stadium has a capacity of 12,000
17. Cardiff Blues home, Cardiff Arms Park, has a capacity of 12,125
16. Worcester Warriors Sixways has a capacity of 12,200
15. Exeter Chiefs Sandy Park has a capacity of 12,500
14. Bath's home, The Recreation Ground, had a capacity of 14,500
13. Harlequins Twickenham Stoop has a capacity of 14,816
12. Scarlets Parc y Scarlets has a capacity of 14,870
11. Northampton Saints Franklin's Gardens has a capacity of 15,249
10. Gloucester's Kingsholm has a capacity of 16,500
9. Ulster's Kingspan Stadium has a capacity of 18,196
8. Leinster's RDS Arena has a capacity of 18,500
7. Ospreys Liberty Stadium has a capacity of 20,827
6. London Irish's Madejski Stadium had a capacity of 24,161
5. Munster's Thomond Park has a capacity of 25,600
4. Leicester Tigers Welford Road has a capacity of 25,849
3. Wasps Ricoh Arena has a capacity of 32,609
2. Cheetahs Toyota stadium has a capacity of 46,000
1. Southern Kings Nelson Mandela Bay Stadium has a capacity of 48,0000