Sudan
generally flat, featureless plain; mountains in far south,
northeast and west; desert dominates the north
Suriname
mostly rolling hills; narrow coastal plain with swamps
Svalbard
wild, rugged mountains; much of high land ice covered; west
coast clear of ice about one-half of the year; fjords along west and
north coasts
Swaziland
mostly mountains and hills; some moderately sloping plains
Sweden
mostly flat or gently rolling lowlands; mountains in west
Switzerland
mostly mountains (Alps in south, Jura in northwest) with
a central plateau of rolling hills, plains, and large lakes
Syria
primarily semiarid and desert plateau; narrow coastal plain;
mountains in west
Taiwan
eastern two-thirds mostly rugged mountains; flat to gently
rolling plains in west
Tajikistan
Pamir and Alay Mountains dominate landscape; western
Fergana Valley in north, Kofarnihon and Vakhsh Valleys in southwest
Tanzania
plains along coast; central plateau; highlands in north,
south