Andorra
three equal vertical bands of blue (hoist side), yellow, and
red with the national coat of arms centered in the yellow band; the
coat of arms features a quartered shield; similar to the flags of
Chad and Romania, which do not have a national coat of arms in the
center, and the flag of Moldova, which does bear a national emblem
Angola
two equal horizontal bands of red (top) and black with a
centered yellow emblem consisting of a five-pointed star within half
a cogwheel crossed by a machete (in the style of a hammer and sickle)
Anguilla
blue, with the flag of the UK in the upper hoist-side
quadrant and the Anguillan coat of arms centered in the outer half
of the flag; the coat of arms depicts three orange dolphins in an
interlocking circular design on a white background with blue wavy
water below
Antigua and Barbuda
red, with an inverted isosceles triangle based
on the top edge of the flag; the triangle contains three horizontal
bands of black (top), light blue, and white, with a yellow rising
sun in the black band
Argentina
three equal horizontal bands of light blue (top), white,
and light blue; centered in the white band is a radiant yellow sun
with a human face known as the Sun of May
Armenia
three equal horizontal bands of red (top), blue, and orange
Aruba
blue, with two narrow, horizontal, yellow stripes across the
lower portion and a red, four-pointed star outlined in white in the
upper hoist-side corner
Ashmore and Cartier Islands
the flag of Australia is used
Australia
blue with the flag of the UK in the upper hoist-side
quadrant and a large seven-pointed star in the lower hoist-side
quadrant known as the Commonwealth Star, representing the federation
of the colonies of Australia in 1901; the star depicts one point for
each of the six original states and one representing all of
Australia's internal and external territories; the remaining half is
a representation of the Southern Cross constellation in white with
one small five-pointed star and four larger, seven-pointed stars
Austria
three equal horizontal bands of red (top), white, and red