Čveljo families are Croats and they are mostly from Knin area. In the past century, relatively most of Croatian residents bearing this family name were born in Knin area and in Zagreb.
Prevalence
About 70 people with faimily name Čveljo live in Croatia today, in 30 households. There were 40 of them in the middle of the past century, and their number increased by 50 percent. They are only located in in 6 Croatian cities and threee other places, mostly in Zagreb (35), Zadar (15), Oklaj in Knin area (<10), Split (<5), and in Sibenik (<5).
Outside Croatia
Family name Čveljo is present in two countries on two continents. The family name "Cveljo " 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 2007 in source Encyclopaedia of Croatian Surnames.