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Surname Kovaljak in modern Croatia
In Croatia, Kovaljak families are Croats (from Ilok ).
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Prevalence
Only a few people with faimily name Kovaljak live in Croatia today, in one household only. There were 10 of them in the middle of the past century, and their number decreased significantly.
They are located in one Croatian city only, in Ilok (<5).
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Outside Croatia
Family name Kovaljak is present in five countries on two continents. "Kovalyak " is used by small number of people in the United States and small number in Ukraine.
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Characteristic first names
Stjepan Kovaljak,
Stjepana Kovaljak