Haiti
two equal horizontal bands of blue (top) and red with a
centered white rectangle bearing the coat of arms, which contains a
palm tree flanked by flags and two cannons above a scroll bearing
the motto L'UNION FAIT LA FORCE (Union Makes Strength); the colors
are taken from the French Tricolor and represent the union of blacks
and mulattoes

Heard Island and McDonald Islands
the flag of Australia is used

Holy See (Vatican City)
two vertical bands of yellow (hoist side)
and white with the arms of the Holy See, consisting of the crossed
keys of Saint Peter surmounted by the three-tiered papal tiara,
centered in the white band

Honduras
three equal horizontal bands of blue (top), white, and
blue, with five blue, five-pointed stars arranged in an X pattern
centered in the white band; the stars represent the members of the
former Federal Republic of Central America - Costa Rica, El
Salvador, Guatemala, Honduras, and Nicaragua; similar to the flag of
El Salvador, which features a round emblem encircled by the words
REPUBLICA DE EL SALVADOR EN LA AMERICA CENTRAL centered in the white
band; also similar to the flag of Nicaragua, which features a
triangle encircled by the word REPUBLICA DE NICARAGUA on top and
AMERICA CENTRAL on the bottom, centered in the white band

Hong Kong
red with a stylized, white, five-petal bauhinia flower in
the center

Hungary
three equal horizontal bands of red (top), white, and green

Iceland
blue with a red cross outlined in white extending to the
edges of the flag; the vertical part of the cross is shifted to the
hoist side in the style of the Dannebrog (Danish flag); the colors
represent three of the elements that make up the island: red is for
the island's volcanic fires, white recalls the snow and ice fields
of the island, and blue is for the surrounding ocean

India
three equal horizontal bands of saffron (subdued orange)
(top), white, and green, with a blue chakra (24-spoked wheel)
centered in the white band; similar to the flag of Niger, which has
a small orange disk centered in the white band

Indonesia
two equal horizontal bands of red (top) and white; similar
to the flag of Monaco, which is shorter; also similar to the flag of
Poland, which is white (top) and red

Iran
three equal horizontal bands of green (top), white, and red;
the national emblem (a stylized representation of the word Allah in
the shape of a tulip, a symbol of martyrdom) in red is centered in
the white band; ALLAH AKBAR (God is Great) in white Arabic script is
repeated 11 times along the bottom edge of the green band and 11
times along the top edge of the red band