Colorado is a U.S. state encompassing most of the Southern Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains. Colorado is part of the Western United States, the Southwestern United States, and the Mountain States. Wikipedia

Santa Ana is the county seat and second most populous city in Orange County, California. With a population of 329,427, as of the 2011 census, Santa Ana is the 57th most-populous city in the United States. Wikipedia