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Around the world, Castelar (Castelar
) is a very rare predominantly boy's, but very infrequently feminine first name. The first name Castelar is habitual in Latin America and the Caribbean, particularly Brazil, where it is a very rare primarily male, but scarcely female name. More frequently, Castelar is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castelar | Spain, Colombia, Brazil, Mexico, Argentina |