Nebraska is a state located on the Great Plains of the Midwestern United States and Western United States. The state's capital is Lincoln and its largest city is Omaha. American Indian tribes in Nebraska have included the Iowas, Omahas, Missourias, Poncas, Pawnees, Otoes, and various branches of the Sioux. Once considered part of the Great American Desert, it is now a leading farming and ranching state.