By Neil Doughty
Newsround Online in Athens
For as long as there has been a singles chart in the UK, singers and groups have waited excitedly on Sunday evenings to find out if they are number one.
But that doesn't happen in Greece because there isn't really a singles chart here, with top stars (and record companies) preferring to focus on albums.
The charts that do exist in Greece are split in two, with one for Greek artists and one for international acts too.
Rock
But Greek kids do get excited about some of the same artists as those in the UK.
Zak Ananiadis, who works in the Virgin Megastore in Athens, explained to Newsround that Greek kids are really into rock music.
He said: "Evanescence are really big here, as are bands like Linkin Park, HIM and Avril Lavigne.