A focused population profile of Greeks from Chalcis in central Euboea, their island-mainland background, closest modern genetic matches, ancestry model, and World Genetics G25 heatmap.
Greeks from Chalcis are associated with central Euboea, the large island just off mainland central Greece. Chalcis has long been a bridge between Euboea, Boeotia, Attica, the Aegean, and the Greek mainland, with history going back to ancient Euboean city-states, Byzantine and Venetian periods, Ottoman rule, and modern regional movement.
Greek is the main language. This reference is specifically a Central Euboea profile, so it should be compared with other Euboean profiles, Crete, the Cyclades, the Dodecanese, Campania, and Peloponnesian Greek references.
As a genetic reference, Greek Euboea Chalcis Central is useful for comparison with Cretan, Deep Mani, Chania, Lasithi, Rethymno, Paros, Astypalaia, and other Aegean or southern Greek references.
In the World Genetics modern G25 table, Greek Euboea Chalcis Central is closest to Greek Peloponnese Laconia Deep Mani, Greek Crete Heraklion, Greek Crete, Greek Crete Lasithi, Greek Crete Chania, Italian Campania Caserta, Greek Crete Rethymno, Greek Cyclades Paros, Greek Crete Muslim/Cretan Turk, and Greek Dodecanese Astypalaia. The result places this Euboean profile in an Aegean and southern Greek island-adjacent space.
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The ancestry breakdown gives deeper component proportions, while closest matches show modern similarity. Chalcis Central Euboea is best interpreted as an Aegean Greek profile, close to Cretan, Deep Mani, Cycladic, Dodecanese, and some southern Italian references.
The heatmap should emphasize Euboea, Chalcis, Crete, Laconia/Mani, Paros, Astypalaia, Campania, and the central/southern Aegean.
Yes. Greek Crete Heraklion, broad Greek Crete, Lasithi, Chania, and Rethymno all appear close.
Deep Mani is the closest match in this table, reflecting overlap between some southern Greek and Aegean profiles.
This profile behaves more like an Aegean/southern Greek island-adjacent reference than a purely northern mainland Greek one.
