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Cognomen Oslavia (Oslavia
) , in all the world, is an extremely rare surname. The surname Oslavia is habitual in Latin America and the Caribbean, particularly Chile, where it is an extremely rare surname, and Mexico. Much more frequently, Oslavia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Oslavia | Argentina, Mexico, Italy, Chile, Brazil |