Decetia
Decetia (Décise), an island in the Ligeris (Loire), within the territory of the Aedui. In the seventh year of the Gallic War (B.C. 52) Caesar summoned the senate of the Aedui to Decetia. (B. G. 7.33). The name occurs in the Itins. In the Antonine Itin. it is placed on the road from Augustodunum (Autun) to Paris, and 16, or, according to another reading, 15, Gallic leagues from Nevirnum (Nevers on the Loire). In one place in the Antonine Itin. the name is written Deccidae; and in the Table it is Degena, a corrupted form. The modern site is Décise, in the department of Nièvre.
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.