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Surname Koljaja in modern Croatia
In Croatia, Koljaja families are mainly Serbs, less frequently Croats (from Zagreb ). In the past century, relatively most of Croatian residents bearing this family name were born in Hrvatska Kostajnica area and in Glina.
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Prevalence
About 40 people with faimily name Koljaja live in Croatia today, in 20 households. There were 100 of them in the middle of the past century, and their number decreased significantly.
They are located in 6 Croatian counties, in 6 cities and four other places, mostly in Zagreb (15), Petrinja (<10), Rujevac in Hrvatska Kostajnica area (<10), Mali Gradac (<10), and in Sisak (<5).
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Outside Croatia
Family name Koljaja is present in three countries on two continents. The family name "Koljaja " is used by few people in the United States.
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Characteristic first names
Danijel Koljaja,
Nenad Koljaja,
Ksenija Koljaja,
Martina Koljaja,
Jelisavka Koljaja,
Branislav Koljaja,
Predrag Koljaja,
Dragan Koljaja,
Brankica Koljaja,
Sunčica Koljaja,
Alen Koljaja,
Zoran Koljaja,
Ljuba Koljaja,
Verica Koljaja,
Svetlana Koljaja,
Miroslav Koljaja,
Miljenka Koljaja,
Aleksandar Koljaja,
Marko Koljaja