Serbia and Montenegro
three equal horizontal bands of blue (top),
white, and red

Seychelles
five oblique bands of blue (hoist side), yellow, red,
white, and green (bottom) radiating from the bottom of the hoist side

Sierra Leone
three equal horizontal bands of light green (top),
white, and light blue

Singapore
two equal horizontal bands of red (top) and white; near
the hoist side of the red band, there is a vertical, white crescent
(closed portion is toward the hoist side) partially enclosing five
white five-pointed stars arranged in a circle

Slovakia
three equal horizontal bands of white (top), blue, and red
superimposed with the Slovak cross in a shield centered on the hoist
side; the cross is white centered on a background of red and blue

Slovenia
three equal horizontal bands of white (top), blue, and red,
with the Slovenian seal (a shield with the image of Triglav,
Slovenia's highest peak, in white against a blue background at the
center; beneath it are two wavy blue lines depicting seas and
rivers, and above it are three six-pointed stars arranged in an
inverted triangle, which are taken from the coat of arms of the
Counts of Celje, the great Slovene dynastic house of the late 14th
and early 15th centuries); the seal is located in the upper hoist
side of the flag centered in the white and blue bands

Solomon Islands
divided diagonally by a thin yellow stripe from the
lower hoist-side corner; the upper triangle (hoist side) is blue
with five white five-pointed stars arranged in an X pattern; the
lower triangle is green

Somalia
light blue with a large white five-pointed star in the
center; blue field influenced by the flag of the UN

South Africa
two equal width horizontal bands of red (top) and blue
separated by a central green band which splits into a horizontal Y,
the arms of which end at the corners of the hoist side; the Y
embraces a black isosceles triangle from which the arms are
separated by narrow yellow bands; the red and blue bands are
separated from the green band and its arms by narrow white stripes

South Georgia and the South Sandwich Islands
blue, with the flag of
the UK in the upper hoist-side quadrant and the South Georgia and
the South Sandwich Islands coat of arms centered on the outer half
of the flag; the coat of arms features a shield with a golden lion
centered; the shield is supported by a fur seal on the left and a
penguin on the right; a reindeer appears above the shield, and below
it on a scroll is the motto LEO TERRAM PROPRIAM PROTEGAT (Let the
Lion Protect its Own Land)