Ortelius. A research atlas of thematic cartography
EST. MMXXVI PRIME MERIDIAN 0°00′00″  ·  EQUATOR 0°00′00″  ·  PROJECTION: ORTHOGRAPHIC 22 STUDIES INDEXED
Military ·Antiquity ·Continental ·Europe

Fortified Posts of the Roman Limes

Forts, watchtowers, and frontier works along the Roman imperial limes.

836 records 1st–4th c. CE 49.02° N · 12.22° E
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Fig. 1 Interactive distribution of the 836 geolocated records on a live carto-positron base · globe / flat projection · decimal degrees (WGS 84).
Abstract

The frontier installations of the Roman Empire — legionary fortresses, auxiliary forts, watchtowers, and linear works — mapped along the Rhine, Danube, and British limites. Records carry garrison type and period of occupation where attested epigraphically.

Record
ThemeMilitary — conflict & fortification
RegionEurope
Temporal range1st–4th c. CE
Geographic coverageContinental
Records836 geolocated entities
Data sourceWikidata + curated CSV
Centroid49.02° N · 12.22° E
Last revisedNov 2025
Provenance & sources

Compiled from a curated CSV corpus (n = 836) and reconciled against Wikidata entities. Geographic coordinates were verified against published gazetteers prior to publication.

· accessed 2025-11-12
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. “Fortified Posts of the Roman Limes” [dataset]. Ortelius: A Research Atlas of Thematic Cartography, Study AT-003. 2026. doi:10.5281/ortelius.003
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.003.