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Last name Gregec (Gregec
) , all around the world, is a very rare cognomen. The last name Gregec is habitual in Croatia, where it is quite a rare surname, Slovenia, where it is a rare surname, and New Zealand. Measured by absolute frequency, it is commonest in Croatia, Slovenia, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Gregec | France, New Zealand, Slovenia, Germany, Croatia |