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Surname Birko in modern Croatia
In Croatia, Birko families are Croats (from Krizevci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Bjelovar.
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Prevalence
About 50 people with faimily name Birko live in Croatia today, in 19 households. There were 40 of them in the middle of the past century, and their number increased by 20 percent.
They are located in 6 Croatian counties, in 7 cities and 7 other places, mostly in Zagreb (15), Vrbovec (<10), Dugo Selo (<5), Veliki Brezovec in Vrbovec area (<5), and in Novi Glog in Krizevci area (<5).
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Outside Croatia
Family name Birko (including: Byrko , Bierko , Birco and Birkho ) is present in 21 countries worldwide. The family name "Birko " is used by some 300 people in Ukraine , about 200 in the United States , and some 200 people in Germany. "Bierko " is used by small number of people in Russian Federation and small number in the United States. "Birco " is used by small number of people in the United States.
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Characteristic first names
Mladen Birko,
Nikica Birko,
Ivan Birko,
Dubravka Birko,
Robert Birko,
Damir Birko,
Suzana Birko,
Željka Birko,
Anita Birko,
Dorotea Birko,
Jasna Birko,
Zoran Birko,
Željko Birko,
Mirjana Birko,
Josipa Birko,
Mijo Birko,
Josip Birko,
Sanja Birko,
Olga Birko