The new province encompassed not only the lands of the former Odrysian realm, but also the north-eastern portion of the province of Macedonia as well as the islands of Thasos, Samothrace and Imbros in the Aegean Sea.
As regards the Thracian dispersion outside the borders (extra fines provinciae), from epigraphic evidence we know the presence of many Thracians (mostly soldiers) throughout the Roman Empire from Syria and Arabia until Britain [REF].