Ciudad Obregón

Ciudad Obregón () is the second largest city in the northern Mexican state of Sonora. It is located  south of the state's northern border with the U.S. state of Arizona. 

Twin towns — Sister cities
Ciudad Obregón is twinned with:
 Baton Rouge, Louisiana, United States, since 1977
 Tucson, Arizona, United States, since 1980

References

Category:1927 establishments in Mexico
Category:Cities in Mexico
Category:Settlements in Sonora