A focused population profile of Greeks from Kos, their Dodecanese island background, closest modern genetic matches, ancestry model, and World Genetics G25 heatmap.
Greeks from Kos come from a Dodecanese island close to Kalymnos and the southwestern Anatolian coast. Kos has ancient Greek, Roman, Byzantine, Ottoman, Italian, and modern Greek historical layers, with strong maritime and island community traditions.
Greek is the main language. Kos should be read as an eastern Aegean island reference, related to Kalymnos, Karpathos, Rhodes, Nisyros, Kastellorizo, Chios, Crete, and other Dodecanese profiles.
As a genetic reference, Greek Dodecanese Kos is useful for comparison with Kalymnos, Karpathos, Chios, east Crete, Nisyros, broad Crete, Ikaria, Rhodes, Kastellorizo, and Santorini.
In the World Genetics modern G25 table, Greek Dodecanese Kos is closest to Greek Dodecanese Kalymnos, Greek Dodecanese Karpathos, Greek North Aegean Chios, Greek Crete East, Greek Dodecanese Nisyros, Greek Crete, Greek North Aegean Ikaria, Greek Dodecanese Rhodes, Greek Dodecanese Kastellorizo, and Greek Cyclades Santorini. The result places Kos in a Dodecanese and eastern Aegean island cluster.
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The ancestry breakdown gives deeper component proportions, while closest matches show modern similarity. Kos Greek is best interpreted as a Dodecanese island profile, close to Kalymnos, Karpathos, Chios, east Crete, Nisyros, Rhodes, Kastellorizo, and Santorini.
The heatmap should emphasize Kos, Kalymnos, Karpathos, Chios, Crete, Nisyros, Ikaria, Rhodes, Kastellorizo, Santorini, and the eastern Aegean.
Yes. Greek Dodecanese Kalymnos is the closest match to Greek Dodecanese Kos.
Greek Crete East and broad Greek Crete appear among the closest matches.
Kos is best read as a Dodecanese island profile, with other eastern Aegean islands closest.
