In Croatia, Gamboc families are Croats by relative majority (from Umag ), equally Italians (from Buje ). In the past century, relatively most of Croatian residents bearing this family name were born in Umag and Buje. In Gamboci in Buje every third inhabitant had the family name Gamboc.
Prevalence
Only a few people with faimily name Gamboc live in Croatia today, in five households only. They are located in only four naselja i to in Umag (<10), Buje (<5), Velika Gorica (<5), and in Gamboci (<5).