In the region identified by Ptolemy and Pliny, east of the Vistula and adjoining the Baltic, there was an Iron Age culture, known to archaeologists as the West Baltic Cairns Culture or West Baltic Barrow Culture, shown coloured violet on the map given here.
In the Post-War era Polish archaeologists generally interpreted the Veneti as the possible bearers of the Pomeranian culture, an Iron Age archaeological culture in Poland, including, to the west of the Vistula.