Arrubium was a fort in the Roman province of Moesia (today's Măcin, Romania), (later Scythia Minor) and was part of the defensive frontier system of the Moesian Limes along the Danube.
See also List of castra
References Oberländer-Târnoveanu, Ernest: Aspecte ale circulaţiei monetare greceşti în Dobrogea de Nord (sec. VI î.e.n - I e.n), Pontica, IX, Constanţa, 1978, p. 59-87. Florescu, Radu: Limesul dunărean bizantin în vremea dinastiilor isauriană şi macedoneană, Pontica, XIX, Constanţa, 1986, p. 172. Notes
External links Roman castra from Romania - Google Maps / Earth