- Acuna City is a city located in the state of Coahuila, Mexico. It is situated on the banks of the Rio Grande River, across from the city of Del Rio, Texas in the United States. Acuna City is known for its maquiladora industry, with many factories and manufacturing plants operating in the area. It also serves as a border crossing point between Mexico and the United States, facilitating trade and tourism between the two countries. The city has a population of approximately 190,000 people and offers various amenities and attractions, including shopping malls, parks, and cultural events.