(Plin. Nat. 4.11. s. 18
, Ptol. 3.11.13
), or TOPIRUS (It. Ant.
p. 321; in p. 331, it is corrupted into Otopisus; and in It. Hier.
p. 603, into Epyrus; Tab. Peut.; Τόπειρος,
Hierocl. p. 634), a town in the SW. of Thrace, a little NE. from the mouth of the Nestus, and a short distance W. of Abdera.
In the time of Procopius (B. G.
3.38) it was the first of the maritime cities of Thrace, and is described as distant 12 days' journey from Byzantium. Very little is known about this place.
In later times it was called Rhusion (Ῥούσιον,
cf. Aposposm. Geo. in Hudson. iv. p. 42; and Anna Comn. p. 212), and was the seat of a bishopric. (Cone. Chalced.
) Justinian rebuilt its walls, which had been demolished, and made them stronger than before. (Procop. de Aed.
According to Paul Lucas and Boudoue, the modern Tosbur
occupies its site; but Lapie identifies it with Kara-Giuenzi.