Piedras Negras Municipality is a one of the 38 municipalities of Coahuila

Municipalities of Coahuila

The Mexican state of Coahuila is divided into38 municipalities ....

, in north-eastern Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. The municipal seat lies at Piedras Negras

Piedras Negras, Coahuila

-Natural Resources:This region generates a large amount of the national production of coal, one of the most economically important non-metallic minerals in the state.-Tourism:Piedras Negras' main tourist attractions are:...

. 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

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

.

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

Towns and villages

The largest localities (cities, towns, and villages) are:

Name	2010 Census Population
Piedras Negras Piedras Negras, Coahuila -Natural Resources:This region generates a large amount of the national production of coal, one of the most economically important non-metallic minerals in the state.-Tourism:Piedras Negras' main tourist attractions are:...	150,178
Centro de Readaptación Social Piedras Negras	830
Fraccionamiento Villa Real	767
El Moral	390
La Navaja (La Loma)	156
San Isidro	117
El Centinela	110
Total Municipality	152,806

Adjacent municipalities and counties

• Guerrero Municipality - southeast
• Nava Municipality - south
• Zaragoza Municipality - west
• Jiménez Municipality - north
• Maverick County, Texas
  Maverick County, Texas
  Maverick County is a county located in the U.S. state of Texas. In 2000, its population was 47,297. Its county seat is Eagle Pass. Maverick County is named for Samuel Maverick, cattleman and state legislator....
  
  - northeast