Yeah, it's true! Eurovision song contest this year hosted in Greece which was last year winner ;)
On 18 and 20 May (Semi Final and Final) in Athens
http://www.eurovision.tv/english/index.htm (official site)
Greece this year will take part with Anna Vissi
http://www.eurovision.tv/english/greece.htm
http://www.eurovisionathens.gr/en/main.asp