San Luis Río Colorado is a city and also the name of its surrounding municipality in the state of Sonora, Mexico. In the 2020 census, the city had a population of 176,685. From Wikipedia
Operating from Sonoyta and Agua Prieta with specialized teams, advanced surveillance, road patrols, paramedic units, plus binational training, the division streamlines security, migration control, drug interdiction, civil protection across Sonora’s 588-kilometer border