Восточно-Европейская равнина
The Central Russian Upland (also Central Upland and East European Upland) is an upland area of the East European Plain and is an undulating plateau with an average elevation of . Its highest peak is measured at . The southeastern portion of the upland known as the Kalach Upland. The Central Upland is built of Precambrian deposits of the crystalline Voronezh Massif.