63 miles S of Tucson; 175 miles S of Phoenix; 65 miles W of Sierra Vista

Situated on the Mexican border, the twin towns of Nogales, Arizona, and Nogales, Sonora, Mexico (known jointly as Ambos Nogales), form a bustling border community. All day long, U.S. citizens cross into Mexico to shop for bargains on Mexican handicrafts, pharmaceuticals, tequila, and Kahlúa, while Mexican citizens cross into the United States to buy products not available in their country.