Saint Vincent and the Grenadines
volcanic, mountainous
Samoa
two main islands (Savaii, Upolu) and several smaller islands
and uninhabited islets; narrow coastal plain with volcanic, rocky,
rugged mountains in interior
San Marino
rugged mountains
Sao Tome and Principe
volcanic, mountainous
Saudi Arabia
mostly uninhabited, sandy desert
Senegal
generally low, rolling, plains rising to foothills in
southeast
Serbia
extremely varied; to the north, rich fertile plains; to the
east, limestone ranges and basins; to the southeast, ancient
mountains and hills
Seychelles
Mahe Group is granitic, narrow coastal strip, rocky,
hilly; others are coral, flat, elevated reefs
Sierra Leone
coastal belt of mangrove swamps, wooded hill country,
upland plateau, mountains in east
Singapore
lowland; gently undulating central plateau contains water
catchment area and nature preserve