US—Mexico Border Region
The United States-Mexico border region (shaded) is defined by the La Paz Agreement as the area of land that stretches 100 km (62.5 miles) to the north and south of the international border. It contains 80 municipalities in six Mexican states and 48 counties in four U.S. states. Map credit: Kevin Liske, CDC.
- Page last reviewed: February 1, 2013
- Page last updated: February 1, 2013
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