It could mean "The gentlemen" or "The knights", depending on the context.
1329091 people in in santiago de los caballeros
Espinosa de los Caballeros's population is 110.
Santiago de los Caballeros's population is 1,329,078.
Santiago de los Caballeros was created in 1495.
Villavicencio de los Caballeros's population is 294.
Muelas de los Caballeros's population is 246.
Ejea de los Caballeros's population is 17,344.
Villanueva de los Caballeros's population is 246.
The population of Villafranca de los Caballeros is 5,327.
The area of Santiago de los Caballeros is 75 square kilometers.
The area of Ejea de los Caballeros is 609.92 square kilometers.
The population of San Millán de los Caballeros is 179.