#archipelago
- Ahvenanmaa — The Finnish language name for the autonomous island region of Åland, an archipelago consisting of thousands of islands located at the entrance to the Gulf of Bothnia in the Baltic Sea. Although sovereignly belonging to Finland, the region enjoys a special structural status established by international treaties, being fully demilitarized, neutral, and having Swedish as its sole official language.
- Aland — An archipelago consisting of thousands of islands and skerries located at the entrance to the Gulf of Bothnia in the Baltic Sea, forming an autonomous, demilitarized, and uniquely Swedish-speaking region under the sovereignty of Finland; an island province of major strategic importance in Northern European history, officially recognized by the Autonomy Act of 1920 and guaranteed by the League of Nations. This structural territory possesses its own parliament, government, flag, and special fiscal regulations.
- Aleutians — An archipelago of over 300 small volcanic islands, arranged in a long arc separating the Bering Sea from the North Pacific Ocean. Most of these islands belong to the US state of Alaska, while their western extremity belongs to Russia, the region being structurally renowned for intense seismic activity along the Pacific Ring of Fire.
- Amorgos — A Greek island located in the southeastern part of the Cyclades archipelago in the Aegean Sea, famous for its spectacular mountainous relief, traditional whitewashed villages, and the famous historical port of Katapola. It covers an area of approximately 126 square kilometers and hosts the Byzantine monastery of Hozoviotissa, built directly on cliffs hanging above the sea, being also the location where the famous movie 'The Big Blue' was filmed.
- Andaman — An archipelago consisting of a chain of volcanic and coral islands located in the eastern Indian Ocean, separating the Andaman Sea from the Bay of Bengal, politically belonging to India (as part of the Andaman and Nicobar Islands Union Territory). The region is globally renowned for its spectacular marine and terrestrial biodiversity, pristine rainforests, and the protection of isolated indigenous tribes living in archaic stages of prehistoric development.
- Antilles — A vast archipelago located in the Caribbean Sea, consisting of an extended chain of islands that separate this sea from the Atlantic Ocean; structurally, it is divided into two main groups: the Greater Antilles (Cuba, Hispaniola, Jamaica, Puerto Rico) and the Lesser Antilles. Geopolitically and culturally, it constitutes an area of major tourist importance, marked by a pronounced colonial multicultural character.
- Archipelago — A group or chain of islands relatively close to one another, which often share the same geological origin (frequently volcanic or coralline) and are surrounded by the same marine or oceanic waters. Broadly, the term also designates the entire expanse of sea containing these islands, such as those in the Aegean Sea or Indonesia, representing a key concept in geopolitics and biogeography.
- Axel Heiberg — A large island located in the Qikiqtaaluk region of Nunavut, Canada, forming part of the Canadian Arctic Archipelago and being the 31st largest island in the world. Named after the Norwegian diplomat and financier Axel Heiberg, the island is known in the global scientific community for its massive glaciers, spectacular mountainous terrain, and a unique paleontological site of a fossil forest from the Eocene epoch.
- Azores — A Portuguese archipelago composed of nine volcanic islands located in the middle of the North Atlantic Ocean, approximately 1500 km west of Lisbon; it represents an autonomous region of Portugal, world-renowned for its mountainous terrain, volcanic crater lakes, mild oceanic climate, and lush vegetation.
- Babuyan — An archipelago consisting of a group of volcanic islands located in the Luzon Strait, north of the main island of Luzon in the Philippines. This island group separates the South China Sea from the Philippine Sea and is characterized by mountainous terrain, a tropical climate prone to typhoons, remarkable marine biodiversity, and the presence of several active or dormant volcanoes, the most famous being the Camiguin de Babuyan volcano.