In Croatia, Kolčić families are Croats (from Dugo Selo area ). In the past century, relatively most of Croatian residents bearing this family name were born in Dugo Selo area and in Zagreb. In Svibje in Dugo Selo area nearly every inhabitant had the family name Kolčić.
Prevalence
About 30 people with faimily name Kolčić live in Croatia today, in 18 households. There were 100 of them in the middle of the past century, and their number decreased significantly. They are located in threee Croatian counties, threee cities and threee other places, mostly in Sesvete (20), Zagreb (10), Svibje in Dugo Selo area (<10), Osijek (<10), and in Dugo Selo (<5).
Outside Croatia
Family name Kolčić (including: Kolcic , Colcas , Kolcas and Kolchic ) is present in 11 countries on four continents. "Colcas " is used by some 100 people in Peru , small number in the United States , and small number of people in Mexico.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.