Santa Rosalía de Camargo, originally called Santa Rosalía, and now known as "Ciudad Camargo", is a city in the eastern part of the Mexican state of Chihuahua, located at the confluence of the Rio Parral and the Rio Conchos in the Allende Valley. It serves as the municipal seat of Camargo municipality and also serves as an important agricultural and livestock center for the area. Ciudad Camargo was originally founded in 1740 and refounded in 1792.

Chihuahua, officially the Estado Libre y Soberano de Chihuahua, is one of the 31 states which, along with Mexico City, comprise the 32 federal entities of Mexico. It is located in the northwestern part of Mexico and is bordered by the states of Sonora to the west, Sinaloa to the southwest, Durango to the south, and Coahuila to the east. To the north and northeast, it shares an extensive border with the U.S. adjacent to the U.S. states of New Mexico and Texas. The state was named after its capital city, Chihuahua City; the largest city is Ciudad Juárez.