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Family name Casaca (Casaca
) , globally, is quite a rare last name. The surname Casaca is habitual in Portugal, where it is quite a common surname, Honduras, where it is quite a rare surname, and Angola, where it is a rare surname. Measured by absolute frequency, it is the most numerous in Portugal, Honduras, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Casaca | Honduras, Portugal, Brazil, Angola, Argentina |