Possible definitions of Green Country. The borders as officially defined by the Oklahoma Department of Transportation denoted by shades of bright and dark red; the counties of the Tulsa Metropolitan Area denoted in dark red; possible inclusion of Southeastern Oklahoma added by pink, although the Oklahoma Department of Tourism includes this area in the separate Choctaw Country.
Green Country, sometimes referred to as Northeast Oklahoma, is the northeastern portion of the U.S. state of Oklahoma, which lies west of the northern half of Arkansas, the southwestern corner the way of Missouri, and south of Kansas.
