Short answers, pulled from the story.
Stephen P. Dunn and Ethel Dunn published The Peasants of Central Russia in 1967 to define a specific geographic scope stretching from Novgorod Oblast in the north down to the border with Ukraine in the south. Their definition extends from Smolensk Oblast on the western edge to the Volga River on the eastern side.
Historians treat the area between Novgorod and Ukraine as the historical and ethnographical home of the Great Russian people based on population history rather than modern political lines. Scholars examining the Russian peasantry often return to these specific borders where cultural identity took root centuries ago.
The Central Agricultural Zone encompasses many oblasts that share similar farming traditions and challenges while defining much of the region's economic role today. Trade press reports group these territories under this classification to help economists understand food production patterns within European Russia.
The Central Russian Upland rises prominently within these European territories and shapes drainage patterns and local climate for surrounding areas. These geological formations have dictated settlement patterns since early history by influencing water flow toward major rivers like the Volga.
The Central Military District operates separately and is placed in Ural and Siberia instead of aligning with cultural or economic geography. Government bodies organize the territory into oblasts such as Novgorod Oblast and Smolensk Oblast but these political units do not always align perfectly with historical definitions used by scholars.