Guyana
green, with a red isosceles triangle (based on the hoist
side) superimposed on a long, yellow arrowhead; there is a narrow,
black border between the red and yellow, and a narrow, white border
between the yellow and the green

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)

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 crossed keys of Saint Peter and the papal miter
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

Howland Island
the flag of the US is used

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)

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