Kansas is a state located in the Midwestern United States. It is named after the Kansas River which flows through it, which in turn was named after the Kansa Native American tribe, which inhabited the area. Of particular note, the state appears as the main setting of the novel The Wonderful Wizard of Oz, including its various film adaptations.
Regarding the villain wars, Kansas appears in a minor role during the events of the second Disney Heroes vs. Villains, despite being the homeland of heroes like Oscar Diggs and Dorothy Gale.