Southwestern Idaho
Southwestern Idaho is a geographical term for the area along the state of Idaho's borders with Oregon and Nevada. It includes the populous areas of the Boise metropolitan area and Treasure Valley.
Counties
Ada | Adams | Boise | Canyon | Elmore | Gem | Owyhee | Payette | Valley | Washington
Cities and towns
Atlanta (Historic) | Boise | Bruneau | Caldwell | Cambridge | Cascade | Council | Donnelly | Eagle | Emmett | Fall Creek | Featherville | Fruitland | Garden Valley | Glenns Ferry | Grand View | Horseshoe Bend | Idaho City | Kuna | Lowman | Marsing | McCall | Meridian | Mountain Home | Murphy | Nampa | New Meadows | New Plymouth | Parma | Payette | Silver City | Weiser | Wilder | Yellow Pine