In Croatia, Bertolović families are Croats (from Pleternica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Pleternica area and in Slavonski Brod.
Prevalence
About 30 people with faimily name Bertolović live in Croatia today, in 13 households. There were 40 of them in the middle of the past century, and their number decreased by 20 percent. They are located in only four naselja i to in Slavonski Kobas in Pleternica area (25), Slavonski Brod (10), Zagreb (<5), and in Samobor (<5).
Outside Croatia
Family name Bertolović is present in this form only in Croatia.