Piedras Negras, located in the northern part of Coahuila, Mexico, is a vibrant border city that plays a crucial role in trade and cultural exchange with the United States. Situated directly across the Rio Grande from Eagle Pass, Texas, it serves as an important gateway for commerce and tourism. With a population of approximately 150,178, Piedras Negras is known for its rich history, diverse culture, and economic significance, making it a noteworthy destination in North America.

Piedras Negras was founded in 1888 and quickly grew due to its strategic location along the border. It has historically served as a key transit point for goods and people between Mexico and the United States.

The economy of Piedras Negras is primarily driven by manufacturing, commerce, and trade, thanks to its proximity to the U.S. border. Key industries include textiles, automotive parts, and electronics, which attract both local and foreign investment, bolstering the city's economic landscape.

Tourism in Piedras Negras offers visitors a blend of cultural experiences and natural beauty. Popular attractions include the historic downtown area, local markets, and the scenic Rio Grande, where tourists can enjoy outdoor activities. The city also hosts various festivals that celebrate its rich heritage, drawing in visitors year-round.