There is one place named Río Mercurín in Spain.
All places in the world called "Río Mercurín".
San Vicente (12)
San Juan (11)
San Miguel (10)
Santa María (10)
Villanueva (10)
San Andrés (9)
San Martín (9)
San Pedro (9)
El Puerto (9)
La Estación (9)
Santa Ana (9)
Villaverde (8)
Los Molinos (8)
San Lorenzo (8)
La Torre (8)
San Bartolomé (7)
San Cristóbal (7)
Santiago (7)
Santa Cruz (7)
San Clemente (7)
San Antonio (7)
Santa Lucía (7)
San Román (7)
Las Casas (7)
La Vega (7)
Quintana (7)
Los Llanos (7)
Sierra (6)
San Roque (6)
Santa Marina (6)