Originating from Ireland it is now participated in all across the world, the majoirty of competitors coming from the UK, Ireland and America
There are many different organisations for dancers to be members of, probably the most well documented being An Coimisuin and An Comdhail.
Dancers compete in competitions known as feisanna or feises, and they begin at primary/beginner level, before working up to intermidiate then open. At open level they are then elligable to compete in the world championships and other major dance competitions.
Dancer 2: I placed really high in my reel!
Dancer 1: OMG I'm so jealous