Spain
three horizontal bands of red (top), yellow (double width),
and red with the national coat of arms on the hoist side of the
yellow band; the coat of arms includes the royal seal framed by the
Pillars of Hercules, which are the two promontories (Gibraltar and
Ceuta) on either side of the eastern end of the Strait of Gibraltar
Sri Lanka
yellow with two panels; the smaller hoist-side panel has
two equal vertical bands of green (hoist side) and orange; the other
panel is a large dark red rectangle with a yellow lion holding a
sword, and there is a yellow bo leaf in each corner; the yellow
field appears as a border around the entire flag and extends between
the two panels
Sudan
three equal horizontal bands of red (top), white, and black
with a green isosceles triangle based on the hoist side
Suriname
five horizontal bands of green (top, double width), white,
red (quadruple width), white, and green (double width); there is a
large, yellow, five-pointed star centered in the red band
Svalbard
the flag of Norway is used
Swaziland
three horizontal bands of blue (top), red (triple width),
and blue; the red band is edged in yellow; centered in the red band
is a large black and white shield covering two spears and a staff
decorated with feather tassels, all placed horizontally
Sweden
blue with a golden yellow cross 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)
Switzerland
red square with a bold, equilateral white cross in the
center that does not extend to the edges of the flag
Syria
three equal horizontal bands of red (top), white, and black,
with two small green five-pointed stars in a horizontal line
centered in the white band; similar to the flag of Yemen, which has
a plain white band, and of Iraq, which has three green stars (plus
an Arabic inscription) in a horizontal line centered in the white
band; also similar to the flag of Egypt, which has a heraldic eagle
centered in the white band
Taiwan
red with a dark blue rectangle in the upper hoist-side corner
bearing a white sun with 12 triangular rays