Trinidad and Tobago
mostly plains with some hills and low mountains

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