In Croatia, Sergović families are generally Croats (from Labin area ), very rarely Italians (from Rovinj ). In the past century, relatively most of Croatian residents bearing this family name were born in Labin area and in Pazin. In Kršan in Labin area every fourtieth inhabitant had the family name Sergović.
Prevalence
About 40 people with faimily name Sergović live in Croatia today, in 20 households. There were 70 of them in the middle of the past century, and their number decreased by 40 percent. They are located in two Croatian counties, in 6 cities and 7 other places, mostly in Cambarelici in Labin area (10), Rijeka (<10), Rovinj (<5), Lupoglav in Buzet area (<5), and in Sveta Katarina in Pazin area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 2007 in source Encyclopaedia of Croatian Surnames.