Interactive Map of Roman Britain

Explore Roman roads, tribal territories, forts, amphitheatres, Classis Britannica naval bases, hillforts, and archaeological landscapes across Roman Britain.

About this research map

This map explores:

Roman roads and routes
Celtic tribal territories
Legio XX and Deva Victrix
Amphitheatres and military sites
Hillforts and Iron Age landscapes

The project combines:

archaeology
historical geography
LiDAR analysis
ancient sources
Roman Storyworld research

Site details

Select a site on the map to see its description here.

Dodecahedron type key

A dodecahedron is any polyhedron with twelve faces. On this map, the dodecahedrons are grouped into five broad categories:

Regular dodecahedron (Type 1)
Small stellated dodecahedron (Type 2)
Great dodecahedron (Type 3)
Great stellated dodecahedron (Type 4)
Rhombic dodecahedron (Type 5)
Pyritohedron (Type 6): a dodecahedron with 12 irregular pentagonal faces, best known as the common crystal form of iron pyrite (“fool’s gold”).
Tetartoid (Type 7)
Bilinski dodecahedron (Type 8)
Decagonal prism (Type 9)
Elongated square dipyramid (Type 10)

When you click a dodecahedron point on the map, its Type number in the details above corresponds to this key.

Base layer

OpenStreetMap

Terrain (OpenTopoMap)

Overlays

Mosaics

Milestones

Classis Britannica

Amphitheatres

Dodecahedrons

Military sites

Celtic tribes (regions)

Celtic tribal regions (map image)

Town walls & walled centres

Mithraea (Temples of Mithras)