Danube
Place
Gallic War 6.25 supplies the first indexed source portrait: “… It begins at the frontiers of the Helvetii, Nemetes, and Rauraci, and extends in a right line along the river Danube to the territories of the Daci and the Anartes; it bends thence to the left in a different direction from the river, and owing to its extent touches the confines of many nations; nor is there any person belonging to this part of Germany who …”
Named form in selected editions; identity established only to the extent of the cited context.
Gallic War 6.25
Caesar
… It begins at the frontiers of the Helvetii, Nemetes, and Rauraci, and extends in a right line along the river Danube to the territories of the Daci and the Anartes; it bends thence to the left in a different direction from the river, and owing to its extent touches the confines of many nations; nor is there any person belonging to this part of Germany who says that he either has gone to the extremity of that forest, though he had advanced a journey of sixty days, or has heard in what place it begins. …
Geographical record
Pleiades representative point · precise
The Danube River.
Pleiades 226577 · CC BY 3.0 · Barrington Atlas: BAtlas 23 A4 Danuvius/Istros/Hister fl.