Ehrenberg, also historically spelled "Ehrenburg", is an unincorporated community and census-designated place in La Paz County, Arizona, United States. The population was 1,470 at the 2010 census. Ehrenberg is named for its founder, Herman Ehrenberg. Ehrenberg is located on the Colorado River, which forms the border with Riverside County, California, near the city of Blythe. It is situated close to Interstate 10, at the southern end of the Parker Valley and next to the Palo Verde Valley.