Valentia
Valentia the later name of a Roman province in the S. part of Britannia Barbara, or of the country lying N. of the Picts' wall, as far as Graham's Dike, including Northumberland, Dumfries, &c. This district was wrested from the Picts and Scots in the time of Valentinian, and formed by Theodosius into a Roman province, but it remained only a short time in the possession of the Romans. (Ammian. Marc. 28.3; Not. Imp.)
From William Smith (ed.), Dictionary of Greek and Roman Geography. Text provided under a CC BY-SA license by Perseus Digital Library, http://www.perseus.tufts.edu, with funding from the National Endowment for the Humanities and Tufts University. Data accessed from https://github.com/PerseusDL/canonical-pdlrefwk/ on 17 October 2026.