Reynosa is a city located in the state of Tamaulipas in northern Mexico.
The Rio Grande is the most prominent natural feature of the city, one of the major streams of the world, both for its length of 3,034 kilometers, for the geopolitical significance to form the nip between a major world power and Spanish-speaking countries of America.
It has a municipal population of 608.891 inhabitants in 2010, making it the most populous city in the state of Tamaulipas.