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In the entire world, Castagnola (Castagnola
) is a very rare unisex forename. The first name Castagnola is characteristic of Southern Europe, particularly Italy, where it is a rare epicene name. Much more frequently, Castagnola is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Castagnola | Uruguay, Italy, United States, Argentina, Peru |
Castagna, and Castagñola