A focused population profile of Greeks from Nisyros, their Dodecanese island background, closest modern genetic matches, ancestry model, and World Genetics G25 heatmap.
Greeks from Nisyros come from a small volcanic Dodecanese island between Kos and Tilos, near the southwestern Anatolian coast. Nisyros has ancient Greek, Byzantine, Ottoman, Italian-administered, maritime, and modern Greek island layers.
Greek is the main language. Nisyros should be read as a Dodecanese island profile, with close comparisons to east Crete, Kalymnos, Chios, Kos, Lasithi, Heraklion, Cretan Turk, and Reggio Calabria.
As a genetic reference, Greek Dodecanese Nisyros is useful for comparison with east Crete, broad Crete, Kalymnos, Chios, Heraklion, Lasithi, Cretan Turk, Kos, Central Euboea, and Reggio Calabria.
In the World Genetics modern G25 comparison, Greek Dodecanese Nisyros is closest to Greek Crete East, Greek Crete, Greek Dodecanese Kalymnos, Greek North Aegean Chios, Greek Crete Heraklion, Greek Crete Lasithi, Greek Crete Muslim/Cretan Turk, Greek Dodecanese Kos, Greek Euboea Chalcis Central, and Italian Calabria Reggio Calabria. The result places Nisyros in an eastern Aegean and Cretan/Dodecanese cluster, with a southern Italian comparison also visible.
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The ancestry breakdown gives deeper component proportions, while closest matches show modern similarity. Nisyros Greek is best interpreted as a Dodecanese island profile, close to Crete, Kalymnos, Chios, Kos, Central Euboea, and Reggio Calabria.
The heatmap should emphasize Nisyros, Crete, Kalymnos, Chios, Kos, Lasithi, Heraklion, Euboea, Reggio Calabria, and the Dodecanese.
Yes. East Crete, broad Crete, Heraklion, Lasithi, and Cretan Turk references appear close.
Yes. Kalymnos and Kos both appear among the closest matches.
Reggio Calabria appears because some southern Italian and eastern Aegean island profiles overlap in Mediterranean G25 space.
