Demographic ·Modern ·Regional ·Europe

Dialect Boundaries of the Italian Peninsula

Isoglosses and survey points from peninsular dialectological atlases.

1,803 records 19th–20th c. survey 42.48° N · 12.03° E

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Fig. 1 Interactive distribution of the 1,803 geolocated records on a live carto-positron base · globe / flat projection · decimal degrees (WGS 84).

Abstract

Survey points and isogloss bundles drawn from the great dialectological atlases of the Italian peninsula. The dataset renders linguistic frontiers as continuous surfaces, allowing the major dialect divisions to be examined against historical and physical geography.

Record

Theme	Demographic — linguistic & population
Region	Europe
Temporal range	19th–20th c. survey
Geographic coverage	Regional
Records	1,803 geolocated entities
Data source	Wikidata + curated CSV
Centroid	42.48° N · 12.03° E
Last revised	Jan 2026

Provenance & sources

Compiled from a curated CSV corpus (n = 1,803) and reconciled against Wikidata entities. Geographic coordinates were verified against published gazetteers prior to publication.

· accessed 2026-01-12

SPARQL query

SELECT ?item ?itemLabel ?coord ?inception WHERE { ?item wdt:P31 ?class . ?item wdt:P625 ?coord . OPTIONAL { ?item wdt:P571 ?inception . } SERVICE wikibase:label { bd:serviceParam wikibase:language "en". } }

Recommended citation

Ortelius Editorial Board, ed. “Dialect Boundaries of the Italian Peninsula” [dataset]. Ortelius: A Research Atlas of Thematic Cartography, Study AT-011. 2026. doi:10.5281/ortelius.011

DATASET CC BY 4.0 · ENRICHMENT CC0 · CARTOGRAPHY MIT

Data & reproducibility

The published dataset is distributed as CSV with a derived GeoJSON edition; coordinates are decimal degrees on the WGS 84 datum. DOI 10.5281/ortelius.011.

↓ data.csv ↓ data.geojson