Scythia Minor formed the northeastern frontier region between the lower Danube and the Black Sea.
Schwarzerden lies within the upland frontier hinterland of southwestern Germania.
Schlatten lies within the southeastern Alpine settlement landscape of Roman Noricum.
Scarabantia became one of the principal urban centres of western Pannonia near the Amber Road.
The locality of San Juan is associated with archaeological discoveries from the Iberian provinces.
Saifnitz occupied a position near important Alpine crossing routes between Italy and Noricum.
The Hasloch area near Rüsselsheim has yielded archaeological material linked to the Rhine frontier region.
The Rožanec area belongs to the southeastern Alpine frontier landscape of Roman Pannonia.
The locality of Rothselberg formed part of the rural landscape of the northwestern frontier provinces.
Rohr im Kremstal belongs to the Alpine hinterland associated with Roman Noricum.
Rockenhausen lies within the broader frontier zone of the Upper Rhine and Palatinate region.
Rittium formed part of the Danubian military and communications network of southern Pannonia.
The locality of Rheder belongs to the frontier hinterland associated with the Roman Rhine region.
The locality of Recking is associated with the Upper Rhine frontier region.
Ratiaria became one of the principal military and urban centres of the upper Danube frontier.
Radomir lies within the western Balkan territory historically connected with Roman Thrace.
The locality of Radeša belongs to the mountainous hinterland of the central Balkans.
The designation Prope Apulum refers to discoveries made in the vicinity of Apulum within the wider archaeological landscape of central Dacia.
Procolitia stood along Hadrian’s Wall near modern Carrawburgh and formed part of the frontier infrastructure of northern Britannia.
The locality of Pritok-Jezerine has yielded archaeological material associated with inland Dalmatia.