Zelenčić families are Croats and they are mostly from the Island of Ugljan. In the past century, relatively most of Croatian residents bearing this family name were born in Zadar and on the Island of Ugljan. In Kali on the Island of Ugljan every fourtieth inhabitant had the family name Zelenčić.
Prevalence
About 90 people with faimily name Zelenčić live in Croatia today, in 40 households. There were 70 of them in the middle of the past century, and their number increased by 20 percent. They are located in 6 Croatian counties, in 6 cities and threee other places, mostly in Kali on the Island of Ugljan (45), Zadar (25), Rijeka (<10), Zagreb (<10), and in Ivanic-Grad (<5).
Outside Croatia
At least five families with this surname emigrated from Croatia to the United States. Family name Zelenčić is present in four countries on three continents. The family name "Zelencic " is used by small number of people in the United States.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1825 in source Catholic Church Parish Records.