Târgușor lies within the territory historically associated with Roman Dobruja and the lower Danube frontier.
The Timok Krajina region formed part of the frontier hinterland between Moesia and Dacia.
Allmendingen near Thun occupies a strategic position between the Swiss plateau and Alpine communications routes.
Thessalonike became one of the principal urban centres of the Balkans and the Via Egnatia corridor.
The island of Thasos occupied an important position in the northern Aegean maritime network.
Teurnia became an important late Roman urban centre in the province of Noricum.
The identification of Tavalicavo remains uncertain, though it appears connected with the Balkan interior.
Tabernae became an important settlement and production centre in the Rhine frontier region.
Székesfehérvár lies within the central territory historically associated with Roman Pannonia.
Sucidava stood on the lower Danube frontier and formed part of the defensive network of late antique Dacia.
Stein am Rhein occupied a strategic position near the western limits of the Danubian frontier system.
The locality of Soukhin-Dol belongs to the lower Danubian frontier zone of ancient Moesia.
Sopianae developed into one of the principal urban centres of late Roman Pannonia.
Solicinium occupied an important position within the frontier region of southwestern Germania.
The site of Slăveni preserves traces of military occupation associated with the frontier system of Dacia.
Sinitovo occupies part of the inland Thracian settlement landscape of southern Bulgaria.
Sinać lies in the mountainous region of inland Croatia historically connected with the Dalmatian sphere.
Sextantio occupied a strategic position near the Mediterranean routes of southern Gaul.
Sexantaprista occupied a strategic position on the southern bank of the lower Danube.
