Piedras Negras | |
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![]() Municipality o Piedras Negras in Coahuila | |
Coordinates: 28°43′20″N 100°34′5″W / 28.72222°N 100.56806°W | |
Kintra | ![]() |
State | Coahuila |
Municipal seat | Piedras Negras |
Area | |
• Total | 914.2 km2 (353.0 sq mi) |
Elevation | 223 m (732 ft) |
Population (2010) | |
• Total | 152,806 |
Piedras Negras Municipality is a ane o the 38 municipalities o Coahuila, in northeastren Mexico. The municipal seat lees at Piedras Negras. The municipality covers an aurie o 914.2 km² an is locatit on the internaitional border atween Mexico an the USA, here formit bi the Río Bravo del Norte (Rio Grande), adjacent tae the U.S. state o Texas.
As o 2010, the municipality haed a total population o 152,806.[1]