Flag of Guatemala

The flag of Guatemala was adopted in 1871.

Flag ratio 5:8
It is designed in two colours: sky blue and white. The white stripe between the two sky blue stripes represents the fact that Guatemala is a land located between two oceans, the Pacific Ocean and the Atlantic Ocean. The white colour also signifies peace and purity.
In the center of the flag is the Guatemalan coat of arms. It includes the Resplendent Quetzal, the national bird of Guatemala that symbolizes liberty; a parchment scroll bearing the date of Central America's independence from Spain, 15 September 1821; crossed rifles, indicating Guatemala's willingness to defend itself by force if need be; a bay laurel crown, the symbol for victory; and crossed swords, representing honor.

Flag of Guam

The flag of Guam was adopted on February 9, 1948.

Flag ratio 22:41
It is dark blue with a narrow red border on all sides. In the center of the flag is the coat of arms; an almond shaped emblem, which depicts a proa sailing and has GUAM colored in red letters.

Flag of Grenada

The flag of Grenada was adopted in 1974.

Flag ratio 3:5
The seven stars stand for the country's seven parishes, with the middle star, encircled by a red disk, standing for the two sister islands.
The colour combination of red, gold, and green, in the flag is representative of the country's African identity.

Flag of Greenland

The flag of Greenland was adopted on June 21, 1985.

Flag ratio 2:3
It features two equal horizontal bands of white (top) and red with a large disk slightly to the hoist side of center. The top half of the disk is red, the bottom half is white.
The white stripe is representing the glaciers and ice cap, which cover more than 80% of the island; the red stripe, the ocean; the red semicircle, the sun, with its bottom part sunk in the ocean; and the white semicircle, the icebergs and pack ice.

Flag of Greece

The flag of Greece was adopted in 1978

Flag ratio 2:3
It is based on nine equal horizontal stripes of blue alternating with white. There is a blue canton in the upper hoist-side corner bearing a white cross; the cross symbolises Christianity
The nine stripes represent the nine syllables of the phrase "Freedom or Death" in greek and also for the nine Muses, the goddesses of art and civilization.