Australia aren't a member of the EBU. They're one of the associates listed. So technically USA and South Korea could be in Eurovision as they're in the associate list too.Well, Eurovision isn’t strictly geographic. The contest is organised by the European Broadcasting Union (EBU), which is made up of various broadcasters from countries across Europe and beyond. The BBC is a member of the EBU, as is RTE in Ireland, Rai in Italy, SVT in Sweden and so on. There are 73 member stations from more than 56 countries, and they’re entitled to send acts to Eurovision if they wish