The Ozarks are fully located in Oklahoma.
The Ozarks , also referred to as the Ozark Mountains , Ozarks Mountain Country , and the Ozark Plateau , is a physiographic and geologic highland region of the central United States , primarily in Arkansas , Missouri , and Oklahoma . The Shawnee Hills of southwest Illinois , which lie near the eastern edge of this region , are commonly called the `` Illinois Ozarks , '' but are generally not considered part of the true Ozarks . The Southern United States , commonly referred to as the American South , Dixie , or simply the South , is a region of the United States of America .