In Croatia, Cvija families are generally Croats (from Cakovec area ), barely Czechs (from Zagreb ), and . In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Cakovec.
Prevalence
About 60 people with faimily name Cvija live in Croatia today, in 30 households. There were 30 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties and 7 other places, mostly in Zagreb (20), Gorican in Cakovec area (15), Dugo Selo (<10), Vis on the Island of Vis (<5), and in Tribalj in Novi Vinodolski area (<5).
Outside Croatia
Family name Cvija (including: Cwieka , Zviya and Chwieja ) is present in 10 countries on three continents. "Cwieka " is used by some 300 people in Poland and about 100 in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1902 in source Hartmann's General List of Apartments in Zagreb.