Uruguay
nine equal horizontal stripes of white (top and bottom)
alternating with blue; a white square in the upper hoist-side corner
with a yellow sun bearing a human face known as the Sun of May with
16 rays that alternate between triangular and wavy
Uzbekistan
three equal horizontal bands of blue (top), white, and
green separated by red fimbriations with a white crescent moon and
12 white stars in the upper hoist-side quadrant
Vanuatu
two equal horizontal bands of red (top) and green with a
black isosceles triangle (based on the hoist side) all separated by
a black-edged yellow stripe in the shape of a horizontal Y (the two
points of the Y face the hoist side and enclose the triangle);
centered in the triangle is a boar's tusk encircling two crossed
namele leaves, all in yellow
Venezuela
three equal horizontal bands of yellow (top), blue, and
red with the coat of arms on the hoist side of the yellow band and
an arc of eight white five-pointed stars centered in the blue band
Vietnam
red field with a large yellow five-pointed star in the center
Virgin Islands
white field with a modified US coat of arms in the
center between the large blue initials V and I; the coat of arms
shows a yellow eagle holding an olive branch in one talon and three
arrows in the other with a superimposed shield of vertical red and
white stripes below a blue panel
Wake Island
the flag of the US is used
Wallis and Futuna
unofficial, local flag has a red field with four
white isosceles triangles in the middle, representing the three
native kings of the islands and the French administrator; the apexes
of the triangles are oriented inward and at right angles to each
other; the flag of France, outlined in white on two sides, is in the
upper hoist quadrant
note: the flag of France used for official occasions
Yemen
three equal horizontal bands of red (top), white, and black;
similar to the flag of Syria, which has two green stars in the white
band, and of Iraq, which has an Arabic inscription centered in the
white band; also similar to the flag of Egypt, which has a heraldic
eagle centered in the white band
Zambia
green field with a panel of three vertical bands of red
(hoist side), black, and orange below a soaring orange eagle, on the
outer edge of the flag