| Country | Geography - note |
| Navassa Island | strategic location 160 km south of the US Naval Base at Guantanamo Bay, Cuba; mostly exposed rock with numerous solution holes (limestone sinkholes) but with enough grassland to support goat herds; dense stands of fig trees, scattered cactus |
| Nepal | landlocked; strategic location between China and India; contains eight of world's 10 highest peaks, including Mount Everest and Kanchenjunga - the world's tallest and third tallest - on the borders with China and India respectively |
| Netherlands | located at mouths of three major European rivers (Rhine, Maas or Meuse, and Schelde) |
| New Caledonia | consists of the main island of New Caledonia (one of the largest in the Pacific Ocean), the archipelago of Iles Loyaute, and numerous small, sparsely populated islands and atolls |
| New Zealand | almost 90% of the population lives in cities; Wellington is the southernmost national capital in the world |
| Nicaragua | largest country in Central America; contains the largest freshwater body in Central America, Lago de Nicaragua |
| Niger | landlocked; one of the hottest countries in the world; northern four-fifths is desert, southern one-fifth is savanna, suitable for livestock and limited agriculture |
| Nigeria | the Niger enters the country in the northwest and flows southward through tropical rain forests and swamps to its delta in the Gulf of Guinea |
| Niue | one of world's largest coral islands |
| Norfolk Island | most of the 32 km coastline consists of almost inaccessible cliffs, but the land slopes down to the sea in one small southern area on Sydney Bay, where the capital of Kingston is situated |
| Northern Mariana Islands | strategic location in the North Pacific Ocean |
| Norway | about two-thirds mountains; some 50,000 islands off its much-indented coastline; strategic location adjacent to sea lanes and air routes in North Atlantic; one of the most rugged and longest coastlines in the world |
| Oman | strategic location on Musandam Peninsula adjacent to Strait of Hormuz, a vital transit point for world crude oil |
| Pacific Ocean | the major chokepoints are the Bering Strait, Panama Canal, Luzon Strait, and the Singapore Strait; the Equator divides the Pacific Ocean into the North Pacific Ocean and the South Pacific Ocean; dotted with low coral islands and rugged volcanic islands in the southwestern Pacific Ocean |
| Pakistan | controls Khyber Pass and Bolan Pass, traditional invasion routes between Central Asia and the Indian Subcontinent |
| Palau | westernmost archipelago in the Caroline chain, consists of six island groups totaling more than 300 islands; includes World War II battleground of Beliliou (Peleliu) and world-famous rock islands |
| Panama | strategic location on eastern end of isthmus forming land bridge connecting North and South America; controls Panama Canal that links North Atlantic Ocean via Caribbean Sea with North Pacific Ocean |
| Papua New Guinea | shares island of New Guinea with Indonesia; one of world's largest swamps along southwest coast |
| Paracel Islands | composed of 130 small coral islands and reefs divided into the northeast Amphitrite Group and the western Crescent Group |
| Paraguay | landlocked; lies between Argentina, Bolivia, and Brazil; population concentrated in southern part of country |
| 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 |
| Philippines | the Philippine archipelago is made up of 7,107 islands; favorably located in relation to many of Southeast Asia's main water bodies: the South China Sea, Philippine Sea, Sulu Sea, Celebes Sea, and Luzon Strait |