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Surname Ružička in modern Croatia
Ružička families are mainly Croats and they are mostly from Daruvar area , often Czechs (also from Daruvar area ), very rarely Hungarians. In the past century, relatively most of Croatian residents bearing this family name were born in Daruvar area and in Osijek. In Golubinjak in Daruvar area every seventh inhabitant had the family name Ružička.
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Prevalence
About 220 people with faimily name Ružička live in Croatia today, in 90 households. There were 190 of them in the middle of the past century, and their number increased by 10 percent.
They are located in the most of Croatian counties, in 22 cities and 16 other places, mostly in Zagreb (40), Daruvar (25), Golubinjak in Daruvar area (20), Pakrac (15), and in Koncanica in Daruvar area (15).
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Outside Croatia
Family name Ružička (including: Ruzicka , Ruzicska , Ruzichka , Ruzsicska , Ruziczka and Ruzycka ) is present in 17 countries on four continents. The family name "Ruzicka " is used by some 3000 people in the United States , about 2000 in Czech Republic , and some 400 people in Germany. "Ruzichka " is used by small number of people in the United States. "Ruzicska " is used by some 300 people in Hungary , small number in the United States , and small number of people in Germany.
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Characteristic first names
Velimir Ružička,
Rajko Ružička,
Ninoslav Ružička,
Mirko Ružička,
Anica Ružička,
Vedran Ružička,
Kristian Ružička,
Daniel Ružička,
Natalija Ružička,
Leonarda Ružička,
Zdenko Ružička,
Stanislav Ružička,
Marina Ružička,
Adrijana Ružička,
Jasna Ružička,
Nadežda Ružička,
Lavoslav Ružička,
Ivan Ružička,
Renato Ružička
