Among their towns were Magnus Portus (Portsmouth) and Venta Belgarum (Winchester).
North-west of York and the most northerly Romano-British town; Ratae, now Leicester, capital of the Coritani; Viroconium, now Wroxeter, near Shrewsbury, capital of the Cornovii; Venta Silurum, now Caerwent, near Chepstow; Corinium, now Cirencester, capital of the Dobuni; Isca Dumnoniorum, now Exeter, the most westerly of these towns; Durnovaria, now Dorchester, in Dorset, capital of the Durotriges; Venta Belgarum, now Winchester; Calleva Atrebatum, now Silchester, 10 m.
South of Reading; Durovernum Cantiacorum, now Canterbury; and Venta Icenorum, now Caistor-by-Norwich.
Their town Venta Silurum (Cwrwent, 6 m.
From Deva (Chester) by way of Uriconium (Wroxeter) and Gobannium (Abergavenny) to Isca Silurum (Caerleon-on-Usk) and Venta Silurum (Caerwent); another from Deva to Conovium (Conway), whence a road, the Sam Helen, extended due S.