This article provides a comprehensive guide to island nations and territories around the world. It covers sovereign states and free associations or territories, detailing their geographical composition, total area, and location.
Sovereign Island Nations
- Antigua and Barbuda
- Geographical Composition: Two major islands
- Area: 440 km²
- Location: Caribbean, Leeward Islands
- Bahamas
- Geographical Composition: Archipelago
- Area: 13,878 km²
- Location: Atlantic Ocean, Bahama Islands
- Bahrain
- Geographical Composition: Archipelago
- Area: 750 km²
- Location: Persian Gulf
- Barbados
- Geographical Composition: Single island
- Area: 430 km²
- Location: Caribbean, Leeward Islands
- Brunei
- Geographical Composition: Part of a large island (Borneo)
- Area: 5,765 km²
- Location: Maritime Southeast Asia
- Cape Verde
- Geographical Composition: Archipelago
- Area: 4,033 km²
- Location: Atlantic Ocean, Macaronesia
- Comoros
- Geographical Composition: Archipelago
- Area: 2,235 km²
- Location: Indian Ocean, near Africa
- Cuba
- Geographical Composition: Archipelago
- Area: 109,238 km²
- Location: Caribbean, Greater Antilles
- Cyprus
- Geographical Composition: Part of a larger island (Cyprus)
- Area: 9,251 km²
- Location: Mediterranean
- Dominica
- Geographical Composition: Single island
- Area: 754 km²
- Location: Caribbean, Lesser Antilles
- Dominican Republic
- Geographical Composition: Part of Hispaniola plus several small islands
- Area: 48,442 km²
- Location: Caribbean, Greater Antilles
- East Timor
- Geographical Composition: Part of a large island (Timor)
- Area: 14,874 km²
- Location: Oceania, Maritime Southeast Asia
- Federated States of Micronesia
- Geographical Composition: Archipelago
- Area: 702 km²
- Location: Micronesia, Pacific Ocean
- Fiji
- Geographical Composition: Archipelago
- Area: 18,274 km²
- Location: Pacific Ocean, Melanesia
- Grenada
- Geographical Composition: Single island with 2 dependencies
- Area: 344 km²
- Location: Caribbean, Lesser Antilles
- Haiti
- Geographical Composition: Part of Hispaniola plus several small islands (e.g., Gonâve, Tortuga, Navassa)
- Area: 27,750 km²
- Location: Caribbean, Greater Antilles
- Iceland
- Geographical Composition: Single main island
- Area: 102,775 km²
- Location: Atlantic Ocean
- Indonesia
- Geographical Composition: Archipelago (including parts of Borneo, New Guinea, Sumatra, Timor)
- Area: 1,904,569 km²
- Location: Maritime Southeast Asia, Indian Ocean, Pacific Ocean
- Ireland
- Geographical Composition: Part of the island of Ireland and several small islands
- Area: 70,273 km²
- Location: Atlantic Ocean, British Isles
- Jamaica
- Geographical Composition: Single island plus several small islets
- Area: 10,991 km²
- Location: Caribbean, Greater Antilles
- Japan
- Geographical Composition: Archipelago
- Area: 377,976 km²
- Location: Pacific Ocean, East Asia
- Kiribati
- Geographical Composition: Archipelago
- Area: 811 km²
- Location: Micronesia, Pacific Ocean
- Madagascar
- Geographical Composition: Single island
- Area: 587,041 km²
- Location: Indian Ocean, Africa
- Maldives
- Geographical Composition: Archipelago
- Area: 298 km²
- Location: Laccadives, Indian Ocean
- Malta
- Geographical Composition: Two major islands
- Area: 316 km²
- Location: Mediterranean
- Marshall Islands
- Geographical Composition: Archipelago
- Area: 181 km²
- Location: Micronesia, Pacific Ocean
- Mauritius
- Geographical Composition: Archipelago
- Area: 2,040 km²
- Location: Indian Ocean, near Africa
- Nauru
- Geographical Composition: Single island
- Area: 21 km²
- Location: Micronesia, Pacific Ocean
- New Zealand
- Geographical Composition: Two main islands
- Area: 268,680 km²
- Location: Polynesia, Pacific Ocean
- Northern Cyprus
- Geographical Composition: Part of the island of Cyprus
- Area: 3,355 km²
- Location: Mediterranean
- Palau
- Geographical Composition: Archipelago
- Area: 459 km²
- Location: Micronesia, Pacific Ocean
- Papua New Guinea
- Geographical Composition: Part of New Guinea plus several small islands
- Area: 462,840 km²
- Location: Pacific Ocean, Melanesia
- Philippines
- Geographical Composition: Archipelago
- Area: 300,000 km²
- Location: Maritime Southeast Asia
- Saint Kitts and Nevis
- Geographical Composition: Two major islands
- Area: 261 km²
- Location: Caribbean, Lesser Antilles
- Saint Lucia
- Geographical Composition: Single island
- Area: 616 km²
- Location: Caribbean, Lesser Antilles
- Saint Vincent and the Grenadines
- Geographical Composition: Archipelago
- Area: 389 km²
- Location: Caribbean, Lesser Antilles
- Samoa
- Geographical Composition: Archipelago
- Area: 2,831 km²
- Location: Polynesia, Pacific Ocean
- Sao Tome and Principe
- Geographical Composition: Two major islands
- Area: 1,001 km²
- Location: Atlantic Ocean, near Africa
- Seychelles
- Geographical Composition: Archipelago
- Area: 455 km²
- Location: Indian Ocean, near Africa
- Singapore
- Geographical Composition: Single island
- Area: 718.3 km²
- Location: Maritime Southeast Asia
- Solomon Islands
- Geographical Composition: Archipelago
- Area: 28,400 km²
- Location: Pacific Ocean, Melanesia
- Sri Lanka
- Geographical Composition: Single island
- Area: 65,610 km²
- Location: South Asia, Indian Ocean
- Taiwan
- Geographical Composition: Single island plus several small islets
- Area: 36,188 km²
- Location: Pacific Ocean, East Asia
- Tonga
- Geographical Composition: Archipelago
- Area: 748 km²
- Location: Polynesia, Pacific Ocean
- Trinidad and Tobago
- Geographical Composition: Two major islands
- Area: 5,131 km²
- Location: Caribbean, North America
- Tuvalu
- Geographical Composition: Archipelago
- Area: 26 km²
- Location: Polynesia, Pacific Ocean
- United Kingdom
- Geographical Composition: Main island plus part of Ireland
- Area: 244,820 km²
- Location: Atlantic Ocean, British Isles
- Vanuatu
- Geographical Composition: Archipelago
- Area: 12,190 km²
- Location: Pacific Ocean, Melanesia
Free Associations, Territories, and Other Regions
- Åland Islands
- Geographical Composition: Archipelago
- Sovereign State: Finland
- Area: 1,580 km²
- Location: Baltic Sea, Bothnian Bay
- American Samoa
- Geographical Composition: Archipelago
- Sovereign State: United States
- Area: 199 km²
- Location: Polynesia, Pacific Ocean
- Anguilla
- Geographical Composition: Single island
- Sovereign State: United Kingdom
- Area: 91 km²
- Location: Caribbean, Lesser Antilles
- Aruba
- Geographical Composition: Single island
- Sovereign State: Netherlands
- Area: 180 km²
- Location: Caribbean, Lesser Antilles
- Bermuda
- Geographical Composition: Archipelago
- Sovereign State: United Kingdom
- Area: 53.3 km²
- Location: Atlantic Ocean, North America
- British Indian Ocean Territory
- Geographical Composition: Archipelago
- Sovereign State: United Kingdom
- Area: 60 km²
- Location: Indian Ocean
- British Virgin Islands
- Geographical Composition: Archipelago
- Sovereign State: United Kingdom
- Area: 151 km²
- Location: Caribbean, Lesser Antilles
- Caribbean Netherlands (Bonaire, Sint Eustatius and Saba)
- Geographical Composition: Three major islands
- Sovereign State: Netherlands
- Area: 127 km²
- Location: Caribbean Sea
- Cayman Islands
- Geographical Composition: Three islands
- Sovereign State: United Kingdom
- Area: 264 km²
- Location: Caribbean, Greater Antilles
- Christmas Island
- Geographical Composition: Single island
- Sovereign State: Australia
- Area: 135 km²
- Location: Australasian region
- Cocos (Keeling) Islands
- Geographical Composition: Two major islands
- Sovereign State: Australia
- Area: 14 km²
- Location: Australasian region
- Cook Islands
- Geographical Composition: Archipelago
- Sovereign State: New Zealand (self-governing)
- Area: 236 km²
- Location: Polynesia, South Pacific
- Curaçao
- Geographical Composition: Single island
- Sovereign State: Netherlands
- Area: 444 km²
- Location: Caribbean, Lesser Antilles
- Easter Island
- Geographical Composition: Single island
- Sovereign State: Chile
- Area: 163.6 km²
- Location: Polynesia, Pacific Ocean
- Falkland Islands
- Geographical Composition: Two major islands
- Sovereign State: United Kingdom
- Area: 12,173 km²
- Location: South America, Atlantic Ocean
- Faroe Islands
- Geographical Composition: Archipelago
- Sovereign State: Denmark
- Area: 1,393 km²
- Location: Atlantic Ocean
- French Polynesia
- Geographical Composition: Archipelago
- Sovereign State: France
- Area: 3,827 km²
- Location: Polynesia, Pacific Ocean
- Greenland
- Geographical Composition: One major island with surrounding archipelago
- Sovereign State: Denmark
- Area: 2,166,086 km²
- Location: North America
- Guadeloupe
- Geographical Composition: Single island
- Sovereign State: France
- Area: 1,628 km²
- Location: Caribbean, Lesser Antilles
- Guam
- Geographical Composition: Single island
- Sovereign State: United States
- Area: 544 km²
- Location: Micronesia, Pacific Ocean
- Guernsey
- Geographical Composition: Three major islands
- Sovereign State: United Kingdom (Crown dependency)
- Area: 78 km²
- Location: English Channel, Channel Islands
- Hawaii (State)
- Geographical Composition: Archipelago
- Sovereign State: United States
- Area: 28,310 km²
- Location: Polynesia, Pacific Ocean
- Isle of Man
- Geographical Composition: Single island
- Sovereign State: United Kingdom (Crown dependency)
- Area: 572 km²
- Location: Irish Sea, British Isles
- Jersey
- Geographical Composition: Single island
- Sovereign State: United Kingdom (Crown dependency)
- Area: 116 km²
- Location: English Channel, Channel Islands
- Martinique
- Geographical Composition: Single island
- Sovereign State: France
- Area: 1,128 km²
- Location: Caribbean, Lesser Antilles
- Mayotte
- Geographical Composition: Single island
- Sovereign State: France
- Area: 374 km²
- Location: Indian Ocean, near Africa
- Montserrat
- Geographical Composition: Single island
- Sovereign State: United Kingdom
- Area: 102 km²
- Location: Caribbean, Lesser Antilles
- New Caledonia
- Geographical Composition: Single island
- Sovereign State: France
- Area: 18,275 km²
- Location: Pacific Ocean, Melanesia
- Niue
- Geographical Composition: Single island
- Sovereign State: New Zealand (self-governing)
- Area: 260 km²
- Location: Pacific Ocean, Melanesia
- Norfolk Island
- Geographical Composition: Single island
- Sovereign State: Australia
- Area: 36 km²
- Location: Pacific Ocean, Melanesia
- Northern Mariana Islands
- Geographical Composition: Archipelago
- Sovereign State: United States (Commonwealth)
- Area: 464 km²
- Location: Micronesia, Pacific Ocean
- Pitcairn Islands
- Geographical Composition: Archipelago
- Sovereign State: United Kingdom
- Area: 47 km²
- Location: Polynesia, Pacific Ocean
- Puerto Rico
- Geographical Composition: Archipelago
- Sovereign State: United States (Commonwealth)
- Area: 8,870 km²
- Location: Caribbean, Greater Antilles
- Réunion
- Geographical Composition: Single island
- Sovereign State: France
- Area: 2,512 km²
- Location: Indian Ocean, near Africa
- Saint Barthélemy
- Geographical Composition: Single island
- Sovereign State: France
- Area: 21 km²
- Location: Caribbean, Lesser Antilles
- Saint Helena
- Geographical Composition: Three separate main islands
- Sovereign State: United Kingdom
- Area: 308 km²
- Location: Atlantic Ocean
- Saint Martin (French part)
- Geographical Composition: Part of Saint Martin island
- Sovereign State: France
- Area: 54.4 km²
- Location: Caribbean, Lesser Antilles
- Saint Pierre and Miquelon
- Geographical Composition: Two major islands
- Sovereign State: France
- Area: 242 km²
- Location: North America
- Sint Maarten (Dutch part)
- Geographical Composition: Part of Saint Martin island
- Sovereign State: Netherlands
- Area: 34 km²
- Location: Caribbean, Lesser Antilles
- South Georgia and the South Sandwich Islands
- Geographical Composition: Archipelago
- Sovereign State: United Kingdom
- Area: 3,903 km²
- Location: Atlantic Ocean
- Akrotiri and Dhekelia
- Geographical Composition: Part of the island of Cyprus
- Sovereign State: United Kingdom
- Area: 254 km²
- Location: Mediterranean
- Svalbard
- Geographical Composition: Archipelago
- Sovereign State: Norway
- Area: 62,045 km²
- Location: Arctic Ocean
- Tokelau
- Geographical Composition: Archipelago
- Sovereign State: New Zealand (Territory)
- Area: 12 km²
- Location: Polynesia, Pacific Ocean
- Turks and Caicos Islands
- Geographical Composition: Archipelago
- Sovereign State: United Kingdom
- Area: 948 km²
- Location: Caribbean, Greater Antilles
- U.S. Virgin Islands
- Geographical Composition: Archipelago
- Sovereign State: United States
- Area: 346 km²
- Location: Caribbean, Lesser Antilles
- Wallis and Futuna
- Geographical Composition: Three major islands
- Sovereign State: France
- Area: 264 km²
- Location: Polynesia, Pacific Ocean
Refer：Wikipedia
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