A focused population profile of Castilians from Madrid, their central Spanish background, closest modern genetic matches, ancestry model, and World Genetics G25 heatmap.
Castilians from Madrid are associated with Spain's capital region in central Iberia. Madrid has grown through centuries of internal migration from across Spain, royal and administrative centralization, urban expansion, and modern metropolitan life, so a Madrid reference can reflect central Spanish ancestry with wider Iberian influences.
Spanish, historically Castilian, is the main language. Because Madrid is both a city and a region, this population average should be interpreted carefully and compared with nearby Castilian, Aragonese, Valencian, Catalan, Cantabrian, and Castilla-La Mancha references.
As a genetic reference, Spanish Madrid Castilian is useful for comparison with Valencia, Aragon, Cantabria, Catalonia, Castilla-La Mancha, Balearic Catalan, and other central or northeastern Iberian references.
In the World Genetics modern G25 comparison, the closest non-self match for Spanish Madrid (Castilian) is Spanish Valencia (Valencian). Other nearby references include Spanish Aragon (Aragonese), Spanish Cantabria (Cantabrian), Spanish Catalonia Lleida (Catalan), and Spanish Catalonia Peri-Barcelona (Catalan). This gives the Spanish Madrid (Castilian) profile its nearest modern genetic context inside the current reference database.
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The ancestry breakdown gives deeper component proportions, while closest matches show modern similarity. Madrid Castilian is best interpreted as a central Spanish profile with nearby Valencian, Aragonese, Cantabrian, Catalan, and Castilla-La Mancha context.
The heatmap should emphasize Madrid, central Spain, Valencia, Aragon, Cantabria, Catalonia, the Balearics, and Castilla-La Mancha.
The closest non-self match in this World Genetics comparison is Spanish Valencia (Valencian). Other nearby references include Spanish Aragon (Aragonese), Spanish Cantabria (Cantabrian), Spanish Catalonia Lleida (Catalan), and Spanish Catalonia Peri-Barcelona (Catalan).
In the current modern G25 reference set, Spanish Valencia (Valencian) is the closest listed match to the Spanish Madrid (Castilian) average after removing Spanish Madrid (Castilian) itself from the table.
The heatmap shows where modern reference populations are closer or farther from the Spanish Madrid (Castilian) G25 average, giving the closest-match results a geographic view.
