From west to east, the Danube region in Lower Austria comprises the historical regions Nibelungengau and Wachau, the valleys Kremstal and Kamptal, the hills of the Wagram, the Traisental valley, the town of Tulln and its surroundings, the Donau-Auen National Park and the ancient Roman city of Carnuntum. The region on the banks of the Danube is especially popular among cyclists and wine aficionados.