Turks and Caicos Islands:
Caribbean, two island groups in the North
Atlantic Ocean, southeast of The Bahamas

Tuvalu:
Oceania, island group consisting of nine coral atolls in the
South Pacific Ocean, about one-half of the way from Hawaii to
Australia

Uganda:
Eastern Africa, west of Kenya

Ukraine:
Eastern Europe, bordering the Black Sea, between Poland and
Russia

United Arab Emirates:
Middle East, bordering the Gulf of Oman and
the Persian Gulf, between Oman and Saudi Arabia

United Kingdom:
Western Europe, islands including the northern
one-sixth of the island of Ireland between the North Atlantic Ocean
and the North Sea, northwest of France

United States:
North America, bordering both the North Atlantic
Ocean and the North Pacific Ocean, between Canada and Mexico

Uruguay:
Southern South America, bordering the South Atlantic Ocean,
between Argentina and Brazil

Uzbekistan:
Central Asia, north of Afghanistan

Vanuatu:
Oceania, group of islands in the South Pacific Ocean, about
three-quarters of the way from Hawaii to Australia