Piedras Negras Municipality

Piedras Negras
Municipality of Piedras Negras in Coahuila
Piedras Negras
Location in Mexico
Coordinates: 28°43′20″N 100°34′5″W / 28.72222°N 100.56806°W / 28.72222; -100.56806
Country Mexico
StateCoahuila
Municipal seatPiedras Negras
Area
  Total
914.2 km2 (353.0 sq mi)
Elevation
223 m (732 ft)
Population
 (2010)
  Total
152,806

Piedras Negras Municipality is one of the 38 municipalities of Coahuila, in north-eastern Mexico. The municipal seat lies at Piedras Negras. The municipality covers an area of 914.2 km2 and is located on the international border between Mexico and the USA, here formed by the Río Bravo del Norte (Rio Grande), adjacent to the U.S. state of Texas.

As of 2010, the municipality had a total population of 152,806.