Erzgebirge

Example:The contrast between the rolling hills of the Erzgebirge and the vast, flat plains of central Germany is striking.

Definition:an extensive, flat or gently undulating area of land, usually low-lying and not intersected by rivers or valleys.

Example:In contrast to the Erzgebirge, the surrounding lowlands are characterized by their flat and often cultivated landscapes.

Definition:a region of low-lying land, typically lower in elevation and not intersected by significant hills or mountains.