word | | Geography - note |
| Turkish | Turkey | strategic location controlling the Turkish Straits (Bosporus, Sea of Marmara, Dardanelles) that link Black and Aegean Seas; Mount Ararat, the legendary landing place of Noah's Ark, is in the far eastern ... |
| turtles | Coral Sea Islands | important nesting area for birds and turtles |
| turtles | French Southern and Antarctic Lands | ... volcano Europa Island and Juan de Nova Island (Iles Eparses): wildlife sanctuary for seabirds and sea turtles Glorioso Island (Iles Eparses): the islands and rocks are surrounded by an extensive reef system ... |
| turtles | Saint Helena | ... species of plants unknown anywhere else in the world; Ascension is a breeding ground for sea turtles and sooty terns; Queen Mary's Peak on Tristan da Cunha is the highest island ... |
| twin | Saint Lucia | the twin Pitons (Gros Piton and Petit Piton), striking cone-shaped peaks south of Soufriere, are one of the scenic natural highlights of the Caribbean |
| UK | British Indian Ocean Territory | archipelago of 55 islands; Diego Garcia, largest and southernmost island, occupies strategic location in central Indian Ocean; island is site of joint US-UK military facility |
| Ukraine | Hungary | ... strategic location astride main land routes between Western Europe and Balkan Peninsula as well as between Ukraine and Mediterranean basin; the north-south flowing Duna (Danube) and Tisza Rivers divide the country ... |
| Ukraine | Romania | controls most easily traversable land route between the Balkans, Moldova, and Ukraine |
| ultimate | Peru | shares control of Lago Titicaca, world's highest navigable lake, with Bolivia; a remote slope of Nevado Mismi, a 5,316 m peak, is the ultimate source of the Amazon River |
| undersea | Solomon Islands | ... the South Pacific Ocean, the Solomon Sea, and the Coral Sea; on 2 April 2007 an undersea earthquake measuring 8.1 on the Richter scale occurred 345 km WNW of the capital Honiara ... |
| understood | World | ... continent total of six (or five, if the Eurasia designation is used).North America is commonly understood to include the island of Greenland, the isles of the Caribbean, and to extend south ... |
| undisturbed | United States Pacific Island Wildlife Refuges | ... photography Palmyra Atoll: the high rainfall and resulting lush vegetation make the environment of this atoll unique among the US Pacific Island territories; supports a large undisturbed stand of Pisonia beach forest |
| unfavorably | Russia | largest country in the world in terms of area but unfavorably located in relation to major sea lanes of the world; despite its size, much of the country lacks proper soils and ... |
| uninhabitable | Antarctica | ... coldest, windiest, highest (on average), and driest continent; during summer, more solar radiation reaches the surface at the South Pole than is received at the Equator in an equivalent period; mostly uninhabitable |
| uninhabited | Faroe Islands | archipelago of 17 inhabited islands and one uninhabited island, and a few uninhabited islets; strategically located along important sea lanes in northeastern Atlantic; precipitous terrain limits habitation to small coastal lowlands |
| uninhabited | Honduras | has only a short Pacific coast but a long Caribbean shoreline, including the virtually uninhabited eastern Mosquito Coast |
| Union | Belgium | crossroads of Western Europe; most West European capitals within 1,000 km of Brussels, the seat of both the European Union and NATO |
| unique | Kenya | ... of the most successful agricultural production regions in Africa; glaciers are found on Mount Kenya, Africa's second highest peak; unique physiography supports abundant and varied wildlife of scientific and economic value |
| unique | United States Pacific Island Wildlife Refuges | ... photography Palmyra Atoll: the high rainfall and resulting lush vegetation make the environment of this atoll unique among the US Pacific Island territories; supports a large undisturbed stand of Pisonia beach forest |
| unites | Bangladesh | ... of the country is situated on deltas of large rivers flowing from the Himalayas: the Ganges unites with the Jamuna (main channel of the Brahmaputra) and later joins the Meghna to eventually ... |
| universeGeographic | World | ... billion years old, just about one-third of the 13.7-billion-year age estimated for the universeGeographic overviewThe surface of the earth is approximately 70.9% water and 29.1% land. The former portion ... |
| uplands | Lithuania | fertile central plains are separated by hilly uplands that are ancient glacial deposits |