Mederiacum
Mederiacum in Gallia Belgica, is placed by the Antonine Itin. on a road from Colonia Trajana (Kelln) through Juliacum (Juliers) to Colonia Agrippina (Cologne). It lies between Sablones and Teudurum (Tudder), and is supposed by some geographers to be Merum-Ruremonde.
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.