Enns (town) are used for agriculture. The municipality can be subdivided into the districts of Einsiedl, Enghagen, Enghagen am Tabor, Enns, Ental, Erlengraben, Hiesendorf, Kottingrat, Kristein, Kronau, Lorch, Moos, Rabenberg and Volkersdorf. The first settlements in the area of the mouth of the Enns river to the Danube date back to 4,000 years ago. Celts settled the land around 400 BC. Their kingdom of Noricum was incorporated into the Roman Empire in AD 15 and was designated as a Roman province under the reign of Emperor Claudius in AD 45. In the second and third century, the Roman camp of "Lauriacum", in
Colombana nera of Colombana nera was likely in the posthumous work of the Italian viticulturist Giovan Vettorio Soderini that described a grape known as "San Colombane" growing in Tuscany and Emilia-Romagna in 1600. That early synonym and the grape's current name is believed to be taken from the Abbey of San Colombano in Bobbio where Colombana nera has a long history of being grown. The exact origin of Colombana nera is unknown but DNA evidence showing a parent-offspring relationship between the grape and the old Tuscan wine grape Mammolo suggest that Tuscany may be the variety's homeland. Colombana nera is a late