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
Ust-Nera District as the Settlement of Ust-Nera. As a municipal division, the Settlement of Ust-Nera is incorporated within Oymyakonsky Municipal District as Ust-Nera Urban Settlement. Gold mining is the main occupation. The Kolyma Highway was extended northwest to Ust-Nera in 1937; this section is now the main route between Yakutsk and Magadan. The Ust-Nera Airport is serving air traffic. River traffic on the Indigirka is limited by the rapids downstream. There is a small museum in Ust-Nera. Ust-Nera Ust-Nera (; ) is an urban locality (an urban-type settlement) and the administrative center of Oymyakonsky District in the Sakha Republic, Russia, located