Location: Caribbean, located in the Leeward Islands (northern) group; Dutch part of the island of Saint Martin in the Caribbean Sea; Sint Maarten lies east of the US Virgin Islands.

Location: Caribbean, an island in the Caribbean Sea - 55 km off the coast of Venezuela.

Location: Middle America, atoll in the North Pacific Ocean, 1120 km southwest of Mexico.

Location: Oceania, islands in the Coral Sea, northeast of Australia; important nesting area for birds and turtles.

Group of reefs and islands in the South China Sea, about two-thirds of the way from southern Vietnam to the southern Philippines.

Island in the South Atlantic Ocean, southwest of the Cape of Good Hope (South Africa).

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.

French Southern and Antarctic Lands include Ile Amsterdam, Ile Saint-Paul, Iles Crozet, Iles Kerguelen, Bassas da India, Europa Island, Glorioso Islands, Juan de Nova Island, and Tromelin Island in the southern Indian Ocean, along with the French-claimed sector of Antarctica, "Adelie Land".

Islands in the Indian Ocean, about two-thirds of the way from Madagascar to Antarctica.

Northern Europe, island between the Greenland Sea and the Norwegian Sea, northeast of Iceland.

Island in the Caribbean Sea, 35 miles west of Tiburon Peninsula of Haiti.

Group of small islands and reefs in the South China Sea, about one-third of the way from central Vietnam to the northern Philippines.

Islands in the South Atlantic Ocean, east of the tip of South America.

Atoll in the North Pacific Ocean, about two-thirds of the way from Hawaii to the Northern Mariana Islands.

The surface of the earth is approximately 70.9% water and 29.1% land. The land portion is generally divided into several, large, discrete landmasses termed continents. Depending on the convention used, the number of continents can vary from five to seven. The most common classification recognizes seven, which are (from largest to smallest): Asia, Africa, North America, South America, Antarctica, Europe, and Australia.

Group of islands in the South Pacific Ocean, about half way between Hawaii and New Zealand.

Islands between the Caribbean Sea and North Atlantic Ocean, east of Puerto Rico.

Islands between the Caribbean Sea and the North Atlantic Ocean, east-southeast of Puerto Rico.

Island in the Caribbean Sea, north of Venezuela.

Location: Caribbean, chain of islands in the North Atlantic Ocean, southeast of Florida, northeast of Cuba.

Middle East, archipelago in the Persian Gulf, east of Saudi Arabia.

Island in the North Atlantic Ocean, northeast of Venezuela.

Central America, bordering the Caribbean Sea, between Guatemala and Mexico; only country in Central America without a coastline on the North Pacific Ocean.

Group of islands in the North Atlantic Ocean, east of South Carolina (US). Consists of about 138 coral islands and islets with ample rainfall, but no rivers or freshwater lakes.

Location: Caribbean, between the Caribbean Sea and the North Atlantic Ocean, east of Puerto Rico.

Important location between Cuba and Central America.

Central Africa, north of Democratic Republic of the Congo.

Group of islands at the northern mouth of the Mozambique Channel, about two-thirds of the way between northern Madagascar and northern Mozambique.

Location: Oceania, group of islands in the South Pacific Ocean, about half way between Hawaii and New Zealand.

Central America, bordering both the Caribbean Sea and the North Pacific Ocean, between Nicaragua and Panama.

Island between the Caribbean Sea and the North Atlantic Ocean, 150 km south of Key West, Florida.

Strategic location near world's busiest shipping lanes and close to Arabian oilfields.

Known as "The Nature Island of the Caribbean" due to its spectacular, lush, and varied flora and fauna, which are protected by an extensive natural park system.

Location: Caribbean, eastern two-thirds of the island of Hispaniola, between the Caribbean Sea and the North Atlantic Ocean, east of Haiti.

Location: Western South America, bordering the Pacific Ocean at the Equator, between Colombia and Peru.

Smallest Central American country and only one without a coastline on Caribbean Sea.

Location: Southern South America, islands in the South Atlantic Ocean, east of southern Argentina.

Archipelago of 17 inhabited islands and one uninhabited island, and a few uninhabited islets; strategically located along important sea lanes in northeastern Atlantic.

Includes 332 islands; approximately 110 are inhabited.

A small population and oil and mineral reserves have helped Gabon become one of Africa's wealthier countries.

Island between the Caribbean Sea and Atlantic Ocean, north of Trinidad and Tobago.

Largest and southernmost island in the Mariana Islands archipelago; strategic location in western North Pacific Ocean.

Central America, bordering the North Pacific Ocean, between El Salvador and Mexico, and bordering the Gulf of Honduras (Caribbean Sea) between Honduras and Belize.

Location: Western Europe, islands in the English Channel, northwest of France.

The third-smallest country in South America after Suriname and Uruguay.

Shares island of Hispaniola with Dominican Republic (western one-third is Haiti, eastern two-thirds is the Dominican Republic).

Has only a short Pacific coast but a long Caribbean shoreline, including the virtually uninhabited eastern Mosquito Coast.

Island in the Irish Sea, between Great Britain and Ireland.

Strategic location between Cayman Trench and Jamaica Channel, the main sea lanes for the Panama Canal.

Western Europe, island in the English Channel, northwest of France.

Kiribati is the only country in the world to fall into all four hemispheres (northern, southern, eastern, and western).

Location: Southern Africa, island in the Indian Ocean, east of Madagascar.

The island is entirely volcanic in origin and comprised of three major volcanic centers of differing ages.

Nauru is one of the three great phosphate rock islands in the Pacific Ocean - the others are Banaba (Ocean Island) in Kiribati and Makatea in French Polynesia; only 53 km south of Equator.

Location: Oceania, islands in the South Pacific Ocean, east of Australia.

Largest country in Central America; contains the largest freshwater body in Central America, Lago de Nicaragua.

Location: Oceania, island in the South Pacific Ocean, east of Tonga.

Location: Oceania, island in the South Pacific Ocean, east of Australia.

Islands in the North Pacific Ocean, about three-quarters of the way from Hawaii to the Philippines.

Westernmost archipelago in the Caroline chain, consists of six island groups totaling more than 300 islands.

Controls Panama Canal that links North Atlantic Ocean via Caribbean Sea with North Pacific Ocean.

Oceania, islands in the South Pacific Ocean, about midway between Peru and New Zealand.

Caribbean, island between the Caribbean Sea and the North Atlantic Ocean, east of the Dominican Republic.

Largest country in the world in terms of area but unfavorably located in relation to major sea lanes of the world; wide natural resource base including major deposits of oil, natural gas, coal, and many strategic minerals, reserves of rare earth elements, timber.

Island between the Caribbean Sea and the North Atlantic Ocean; located in the Leeward Islands (northern) group; Saint Barthelemy lies east of the US Virgin Islands.

Islands in the South Atlantic Ocean, about midway between South America and Africa; Ascension Island lies 700 nm northwest of Saint Helena; Tristan da Cunha lies 2,300 nm southwest of Saint Helena.

Islands in the Caribbean Sea, about one-third of the way from Puerto Rico to Trinidad and Tobago.

Island between the Caribbean Sea and North Atlantic Ocean, north of Trinidad and Tobago.

Location: Caribbean, located in the Leeward Islands (northern) group; French part of the island of Saint Martin in the Caribbean Sea; Saint Martin lies east of the US Virgin Islands.

Location: Northern North America, islands in the North Atlantic Ocean, south of Newfoundland (Canada).

Islands between the Caribbean Sea and North Atlantic Ocean, north of Trinidad and Tobago.

Group of islands in the South Pacific Ocean, about half way between Hawaii and New Zealand.

Archipelago in the Indian Ocean, northeast of Madagascar.

Islands between the Caribbean Sea and the North Atlantic Ocean, northeast of Venezuela.

Location: Southeastern Europe and Southwestern Asia; strategic location controlling the Turkish Straits (Bosporus, Sea of Marmara, Dardanelles) that link Black and Aegean Seas.

Location: Caribbean, two island groups in the North Atlantic Ocean, southeast of The Bahamas, north of Haiti.

Group of islands in the South Pacific Ocean, about three-quarters of the way from Hawaii to Australia.

Islands between the Caribbean Sea and the North Atlantic Ocean, east of Puerto Rico.

Middle East, bordering the Arabian Sea, Gulf of Aden, and Red Sea, between Oman and Saudi Arabia.

In the spring of 2000, the International Hydrographic Organization decided to delimit the waters within the Antarctic Convergence as a fifth world ocean - the Southern Ocean - by combining the southern portions of the Atlantic Ocean, Indian Ocean, and Pacific Ocean.

The Pacific Ocean is the largest of the world's five oceans.

The Arctic Ocean is the smallest of the world's five oceans (after the Pacific Ocean, Atlantic Ocean, Indian Ocean, and the recently delimited Southern Ocean).

The Indian Ocean is the third largest of the world's five oceans (after the Pacific Ocean and Atlantic Ocean, but larger than the Southern Ocean and Arctic Ocean).

The Atlantic Ocean is the second largest of the world's five oceans (after the Pacific Ocean, but larger than the Indian Ocean, Southern Ocean, and Arctic Ocean). The Kiel Canal (Germany), Oresund (Denmark-Sweden), Bosporus (Turkey), Strait of Gibraltar (Morocco-Spain), and the Saint Lawrence Seaway (Canada-US) are important strategic access waterways.