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Family name Костопулос (Costopoulos , Костопулос, Kostopulos ) , in all the world, is a rare cognomen. The last name Костопулос is habitual in Cyprus, where it is quite a rare surname, Albania, where it is a rare surname, and Bulgaria. In absolute terms, it is commonest in the United States, Australia, and Greece.
VARIANT | COUNTRY |
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Costopoulos, Kostopulos | Canada, Australia, Bulgaria, United States, Greece |