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Cognomen Plazonja (Plazonja
) , all around the world, is a rare surname. The cognomen Plazonja is habitual in Croatia, where it is quite a rare surname, Canada, where it is a very rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, this name is the most popular in Croatia, Germany, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Plazonja | United States, Croatia, Canada, Germany |