Sioux County

== English == === Etymology === All counties are named after the Sioux people. === Proper noun === Sioux County One of 99 counties in Iowa, United States. County seat: Orange City. One of 93 counties in Nebraska, United States. County seat: Harrison. One of 53 counties in North Dakota, United States. County seat: Fort Yates. === References === Index of U.S. counties on Wikipedia.Wikipedia