Ukraine
country in Eastern Europe
United Arab Emirates
country in West Asia
United Kingdom
country in north-west Europe
United States
country located primarily in North America
Uruguay
sovereign state in South America
Uzbekistan
sovereign state in Central Asia
Vanuatu
island country in Oceania
Vatican City
Holy See's independent state, an enclave within Rome, Italy
Venezuela
sovereign state in northern South America
Vietnam
country in Southeast Asia
Yemen
country in West Asia
Zambia
country at the crossroads of Central and Southern Africa
Zimbabwe
sovereign state in southern Africa