Tricesimae
Tricesimae in Gallia, one of the places mentioned by Ammianus Marcellinus (18.2) in the list of those places along the Rhenish frontier which Julian repaired. Ammianus mentions Tricesimae between Quadriburgium and Novesium. [QUADRIBURGIUM]
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.