There is one place named Tres Hermanos in Costa Rica.
All places in the world called "Tres Hermanos".
San Antonio (7)
Santa Rosa (7)
San Rafael (7)
San Miguel (7)
San Francisco (6)
San Isidro (6)
Ángeles (6)
Concepción (6)
Palmar (6)
Pueblo Nuevo (6)
Carmen (5)
Paraíso (5)
San Ramón (5)
Santiago (5)
Lajas (5)
San Gerardo (5)
Cacao (5)
San Vicente (5)
Trinidad (5)
San Luis (5)
Esperanza (5)
San Jerónimo (5)
San Pedro (5)
Ujarrás (4)
Guadalupe (4)
Palma (4)
Potrerillos (4)
Colorado (4)
Laguna (4)
Quebrada Honda (4)