Grannonum
Grannonum in Gallia, in Littore Saxonico,
according to the Notitia Imp. Sanson supposed it to be Granville. D'Anville and others guess other names; and D'Anville finds places both for Grannona and Grannonum.
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.