Surname Romero Baca (Romero Baca 
) , in all the world, is a very rare last name. The last name Romero Baca is characteristic of Ecuador, where it is a very rare surname, Spain, and Honduras. Measured by absolute frequency, it most frequently occurs in Ecuador, Spain, and Peru.
| VARIANT | COUNTRY |
|---|---|
| Romero Baca | Honduras, Spain, Peru, Ecuador |