word | | Geography - note |
| Danube | Hungary | ... 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 into three large regions |
| Dardanelles | Atlantic Ocean | major chokepoints include the Dardanelles, Strait of Gibraltar, access to the Panama and Suez Canals; strategic straits include the Strait of Dover, Straits of Florida, Mona Passage, The Sound (Oresund), and Windward ... |
| Dardanelles | 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 ... |
| Death | United States | ... largest country by size (after Russia and Canada) and by population (after China and India); Mt. McKinley is highest point in North America and Death Valley the lowest point on the continent |
| deaths | Solomon Islands | ... WNW of the capital Honiara; the resulting tsunami devastated coastal areas of Western and Choiseul provinces with dozens of deaths and thousands dislocated; the provincial capital of Gizo was especially hard hit |
| declared | Bouvet Island | covered by glacial ice; declared a nature reserve by Norway |
| decreasing | World | ... divided into large water bodies termed oceans. Exxun.com recognizes and describes five oceans, which are in decreasing order of size: the Pacific Ocean, Atlantic Ocean, Indian Ocean, Southern Ocean, and Arctic Ocean ... |
| deep | United States Pacific Island Wildlife Refuges | ... reef is 34 km in circumference; closed to the public Kingman Reef: barren coral atoll with deep interior lagoon; closed to the public Midway Islands: a coral atoll managed as a NWR ... |
| deepest | Tanzania | ... the continent: Lake Victoria (the world's second-largest freshwater lake) in the north, Lake Tanganyika (the world's second deepest) in the west, and Lake Nyasa (Lake Malawi) in the southwest |
| deeply | Antigua and Barbuda | Antigua has a deeply indented shoreline with many natural harbors and beaches; Barbuda has a large western harbor |
| deeply | Falkland Islands (Islas Malvinas) | deeply indented coast provides good natural harbors; short growing season |