In Croatia, Voch families are predominantly Italians (from Umag ), rarely Croats (also from Umag ). In the past century, relatively most of Croatian residents bearing this family name were born in Buje and Umag.
Prevalence
Only a few people with faimily name Voch live in Croatia today, in two households only. There were 0 of them in the middle of the past century, and their number remains constant. They are located in only one small Croatian place, in Savudrija (<5).
Outside Croatia
Family name Voch is present in 23 countries worldwide. "Woch " is used by some 3000 people in Poland , about 100 in the United States , and some 80 people in Germany.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1930 in source Emigration Commission Zagreb.