Carter County is located in southern Oklahoma, bordered by the Red River to the south. Established in 1907, it is part of the Ardmore metropolitan area and covers approximately 1,100 square miles. The county seat is Ardmore, which serves as a central hub for commerce and services in the region. The county is known for its diverse landscapes, including rolling hills and lakes, making it a popular destination for outdoor activities. Key attractions include the Lake Murray State Park and the Carter County Historical Society, which showcase the area's natural beauty and rich history.