Where in the world?
The flag of Greece is composed of nine equal horizontal bands of blue alternating with white. A blue square bearing a white cross is superimposed in the canton.

Greece

Native Name: Ελληνική Δημοκρατία
Population: 10,715,549
Region: Europe
Sub Region: Southern Europe
Capital: Athens
Top Level Domain: .gr
Currencies: Euro
Languages: Greek
Border Countries: ALBBGRTURMKD