Original: The Four Corners is a region of the United States consisting of the southwestern corner of Colorado , northwestern corner of New Mexico , northeastern corner of Arizona and southeastern corner of Utah . The Four Corners area is named after the quadripoint where the boundaries of the four states meet , where the Four Corners Monument is located .
Simplified: The Four Corners is the place in the Southwestern United States where the four corners of New Mexico , Colorado , Utah , and Arizona meet .