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Cognomen Krock (Krock
) , in all the world, is quite a rare last name. The family name Krock is characteristic of Western Europe, particularly Belgium, where it is a rare surname, Austria, and Germany. In absolute terms, the name is most common in the United States, Germany, and Belgium.
| VARIANT | COUNTRY |
|---|---|
| Krock | Belgium, Canada, Austria, United States, Germany |