Definition of "Rhomania"

There is a significant coincidence of dates between several events: the splitting of the Paulician community in Rhomania in consequence of Séryios’s innovations; the breach between Séryios’s partisans and the East Roman Imperial Government, […]

1973, Arnold Joseph Toynbee, Constantine Porphyrogenitus and his world, page 682

In this letter the basileus informed the Pope that Béla III had attacked Serbia, since he was not content with his own country, “which he acquired with difficulties and with the help of the armies and the money of Rhomania [i.e. Byzantium]”.

1989, Ferenc Makk, The Árpáds and the Comneni: political relations between Hungary and Byzantium in the 12th century, page 110

If the Constantinopolitan Byzantines regarded the Anatolian Turkic territories as lands temporarily lost from their indivisible universal Rhomania, the Turkoman rulers of the twelfth century considered Rhomania as being factually divided between several rulers.

1999, Rustam Shukurov, “Turkoman and Byzantine Self-Identity: Some reflections on the Logic of the Title-Making in Twelfth- and Thirteenth-Century Anatolia”, in Eastern Approaches to Byzantium: Papers from the Thirty-Third Spring Symposium of Byzantine Studies