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

Thailand
central plain; Khorat Plateau in the east; mountains
elsewhere

Togo
gently rolling savanna in north; central hills; southern
plateau; low coastal plain with extensive lagoons and marshes

Tokelau
low-lying coral atolls enclosing large lagoons

Tonga
most islands have limestone base formed from uplifted coral
formation; others have limestone overlying volcanic base

Trinidad and Tobago
mostly plains with some hills and low mountains

Tromelin Island
low, flat, and sandy; likely volcanic

Tunisia
mountains in north; hot, dry central plain; semiarid south
merges into the Sahara

Turkey
high central plateau (Anatolia); narrow coastal plain;
several mountain ranges

Turkmenistan
flat-to-rolling sandy desert with dunes rising to
mountains in the south; low mountains along border with Iran;
borders Caspian Sea in west

Turks and Caicos Islands
low, flat limestone; extensive marshes and
mangrove swamps

Tuvalu
very low-lying and narrow coral atolls

Uganda
mostly plateau with rim of mountains

Ukraine
most of Ukraine consists of fertile plains (steppes) and
plateaus, mountains being found only in the west (the Carpathians),
and in the Crimean Peninsula in the extreme south

United Arab Emirates
flat, barren coastal plain merging into rolling
sand dunes of vast desert wasteland; mountains in east

United Kingdom
mostly rugged hills and low mountains; level to
rolling plains in east and southeast

United States
vast central plain, mountains in west, hills and low
mountains in east; rugged mountains and broad river valleys in
Alaska; rugged, volcanic topography in Hawaii

Uruguay
mostly rolling plains and low hills; fertile coastal lowland

Uzbekistan
mostly flat-to-rolling sandy desert with dunes; broad,
flat intensely irri