In Croatia, Kalvi families are generally Croats (from Pakrac ), very rarely Italians (also from Pakrac ). In the past century, relatively most of Croatian residents bearing this family name were born in Pakrac and Zagreb.
Prevalence
About 20 people with faimily name Kalvi live in Croatia today, in 8 households. There were 40 of them in the middle of the past century, and their number halved. They are located in only five naselja i to in Zagreb (<10), Pakrac (<5), Prekopakra (<5), Veliki Banovac (<5), and in Pluska in Oroslavje area (<5).