The girl in the picture is Stela Boriçi and is from Albania. She is seen holding the Greek flag on Independence Day of Greece.
The photo was published on Facebook by Olti Curri.
The photo is accompanied by the words: "Stela Boriçi marched in the city of Athens as the best student. The tradition requires the flag to be holded by the best student of Greece. Proud of Stela and Albania".