In Croatia, Čiz families are Croats (from Metkovic ). In the past century, relatively most of Croatian residents bearing this family name were born in Dubrovnik and in Srijem, Vojvodina.
Prevalence
Only a few people with faimily name Čiz live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in two Croatian cities only, in Metkovic (<5) and Pazin (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over thirty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.