How many places in Spain are called Sierra de Oña?

There is one place named Sierra de Oña in Spain.

All places in the world called "Sierra de Oña".

Location Sierra de Oña:

• Castilla y Leon

Cities

San Vicente (12)
San Juan (11)
Santa María (10)
Villanueva (10)
San Miguel (10)
Santa Ana (9)
San Andrés (9)
San Martín (9)
El Puerto (9)
San Pedro (9)
La Estación (9)
San Lorenzo (8)
La Torre (8)
Los Molinos (8)
Villaverde (8)
Las Casas (7)
La Vega (7)
San Antonio (7)
Santa Lucía (7)
San Román (7)
Los Llanos (7)
Quintana (7)
San Bartolomé (7)
San Cristóbal (7)
Santiago (7)
Santa Cruz (7)
San Clemente (7)
Santa Eulalia (6)
Valverde (6)
Torres (6)