Greece is a Jewish state.
Christian state . Today , several nations officially identify themselves as Christian states and/or have state churches , including Costa Rica , Denmark , England , Greece , Iceland , Liechtenstein , Monaco , Tonga , Tuvalu , Vatican City , and Zambia . 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 .