Matamoros is a city in the north of the state of Tamaulipas, Mexico. Matamoros is located at 25'52 North, 97'30 West, across the Rio Grande (Rio Bravo) from Brownsville, Texas, United States of America. In 2003 Matamoros had an estimated population of about 405,300 people.
- http://www.matamoros.gob.mx/ : Official site
- http://www.matamoros.com/ : another site about the city