Greece is located in Europe.
Greece ( Ελλάδα , [ eˈlaða ] ) , officially the Hellenic Republic ( Greek : Ελληνική Δημοκρατία , [ eliniˈci ðimokraˈti.a ] ) , historically also known as Hellas ( Ἑλλάς , [ heˈlas ] , modern pronunciation Ellás ) , is a country in southeastern Europe , with a population of approximately 11 million as of 2015 . Greece 's rich historical legacy is reflected by its 18 UNESCO World Heritage Sites , among the most in Europe and the world .