In Croatia, Čalopa families are almost entirely Croats (from Mursko Sredisce ), very rarely Slovenes (also from Mursko Sredisce ). In the past century, relatively most of Croatian residents bearing this family name were born in Cakovec and Mursko Sredisce.
Prevalence
About 30 people with faimily name Čalopa live in Croatia today, in 13 households. There were 30 of them in the middle of the past century, and their number remains constant. They are located in only five naselja i to in Mursko Sredisce (20), Varazdin (<10), Cakovec (<5), Mihovljan (<5), and in Selnica in Zlatar area (<5).
Outside Croatia
Family name Čalopa is present in four countries on three continents.