While some small hills exist, a majority of the land is extremely flat, yet fertile for farming.
The Minnesota River Valley provides some small geographic differential.
Willmar, which is the largest city at 19,570 (2013), the 58th largest city in Minnesota.
The area has numerous small cities, as railroads criss-crossed the area.
Major cities include Willmar, Redwood Falls, Marshall, Montevideo, Jackson and Pipestone.
Counties
Big Stone County
Chippewa County
Cottonwood County
Jackson County
Kandyohi County
Lac qui Parle County
Lincoln County
Lyon County
Martin County
Murray County
Nobles County
Pipestone County
Pope County
Redwood County
Renville County
Rock County
Stevens County
Swift County
Traverse County
Watonwan County
Yellow Medicine County