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Surname Kostelnik in modern Croatia
In Croatia, Kostelnik families are mainly Rusyns (from Vukovar area ), rarely Croats (from Vukovar ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Vukovar and in Vukovar area.
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Prevalence
About 30 people with faimily name Kostelnik live in Croatia today, in 17 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent.
They are only located in four Croatian cities and four other places, mostly in Vukovar (10), Petrovci in Vukovar area (10), Zagreb (<10), Slavonski Brod (<5), and in Miklusevci in Ilok area (<5).
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Outside Croatia
Family name Kostelnik (including: Kostelník , Kostelnick , Kostelnyk and Kosztelnik ) is present in 20 countries worldwide. The family name "Kostelnik " is used by some 1000 people in the United States , about 400 in Czech Republic , and some 300 people in Slovakia. "Kostelnick " is used by some 90 people in the United States.
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Characteristic first names
Branko Kostelnik,
Ivan Kostelnik,
Zvonko Kostelnik,
Mihajlo Kostelnik,
Kristina Kostelnik,
Željko Kostelnik,
Dejan Kostelnik,
Miroslav Kostelnik,
Vladimir Kostelnik,
Vesna Kostelnik,
Zdenko Kostelnik,
Janko Kostelnik,
Marija Kostelnik,
Siniša Kostelnik,
Boris Kostelnik,
Goran Kostelnik,
Božana Kostelnik,
Vasilj Kostelnik,
Pavlina Kostelnik
