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