Texoma, a portmanteau of the words Texas and Oklahoma, is used to describe the area on either side of the border between these two states along the Red River valley, in particular the area around Lake Texoma. The surrounding area is alternatively referred to as Texomaland. The main area of the Texoma region is the area and surrounding cities near Lake Texoma which includes eight counties, a metropolitan area and three micropolitan areas. The Sherman–Denison Metropolitan as well as the Ardmore, Durant, and Gainesville  micropolitan areas are the most populous areas of this region, although the area around Bonham is also very populated. Most of the region is also, a part of the Dallas–Fort Worth Combined Statistical Area.