Ripley County lies in southeastern Missouri, mostly in the transition zone between the Ozarks and the so-called "Bootheel" farther east. Its borders (last changed in 1872) give it a generally rectangular shape, except for some irregularities on its eastern boundary. It is bordered on the east by [[Butler County, Missouri|Butler County]], on the south by the state of [[Arkansas]], on the west by Oregon County, and on the north by Carter County. | Ripley County lies in southeastern Missouri, mostly in the transition zone between the Ozarks and the so-called "Bootheel" farther east. Its borders (last changed in 1872) give it a generally rectangular shape, except for some irregularities on its eastern boundary. It is bordered on the east by [[Butler County, Missouri|Butler County]], on the south by the state of [[Arkansas]], on the west by Oregon County, and on the north by Carter County. |