Idaho's two neighbors are Nevada and Utah. Nevada is a state located in the western United States, bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. Utah is a state located in the western United States, bordered by Colorado to the east, Wyoming to the northeast, Idaho to the north, Arizona to the south, and Nevada to the west. Both states are part of the Mountain West region of the United States.