As low level, a level or a broad river valley with an altitude above sea level at about 150 meters is designated in geography.
Examples in Germany are the Upper Rhine Valley, the Bay of Cologne, Münster parts of the country and the North German lowlands with numerous landscapes in northern Germany district.
In Austria would - despite otherwise name - the Vienna Basin to count to Hungary in the Pannonian plain. Switzerland has for average to large altitudes no lowlands, except their share of the Rhine Graben, near Basel.
In Hungary, the region east of the Danube is also called the Great Plain (Hungarian Great Plain ).