Danubian a. : Pertaining to, or bordering on, the river Danube.

Example:
What is the Neo-Danubian race?

Taxonomy
Danubian culture, free encyclopedia, settlements, Linear Pottery culture, LBK, the Paris, cultures, river Danube, central and eastern Europe, search, Australian, archaeologist, agrarian society, Linearbandkeramik, spread westwards, Map, Late Neolithic, 3500 BCE.

Defination from the web:
Danubian culture was coined by the Australian archaeologist Vere Gordon Childe to describe the first agrarian society in central and eastern Europe. ... Danubian I peoples cleared forests and cultivated fertile loess soils from the Balkans to the Low Countries and the Paris Basin. ...