Alonissos, or 'Ikos' and 'Liadromia' in ancient times, is the third largest island in the Northern Sporades archipelago. It belongs to the prefecture of Magnesia, is 4,5 km wide at its widest and 20 km at its longest and covers a total area of 64,5 square kilometers. The island can be described as of hilly landscape with a rather low altitude, with the highest peak (locally known as 'Kouvouli') reaching about 475m. Its population reaches approximately 2,700 inhabitants. The main settlement and port of the island is Patitiri, while other important settlements are located in Votsi, Steni Vala and the Old Village or 'Chora', which was the main town of the island before being abandoned after a 1965 earthquake. Alonissos has a very long history, dating back to the Paleolithic period when it was first inhabited. The economy of the island is currently based on agriculture, livestock, fishing and tourism. Due to its unique landscape and geographical position, the island has a rich biodiversity, with several endemic and endangered species. It is covered by very diverse vegetation with aleppo pine forests, maquis and phrygana scrublands, evergreen oak forests and olive groves. The island is also part of the National Marine Park of Alonissos (N.M.P.A.N.S.), the largest marine protected area in Greece, and of the GR1430004 zone of Natura 2000.
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| Patitiri town and harbor |
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| Steni Vala |
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| Typical sight at Chora |
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| Sheep at Isomata |
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| View towards Votsi |
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| Landscape at Koumarorahi |
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| The northern coast |
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| Fishing boat near Mourtias |
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| Vythisma beach |
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| Cliffs at the north side of Kouvouli |
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| Agioi Anargyroi |
