Petrov families are often Croats and they are mostly from Valpovo area. According to some sources they are from Vodice or sa Dugog otoka, rarely they are Serbsor Macedonians. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Vodice.
Prevalence
About 330 people with faimily name Petrov live in Croatia today, in 150 households. There were 200 of them in the middle of the past century, and their number increased by 60 percent. They are located in the most of Croatian counties, in 33 cities and 29 other places, mostly in Zagreb (90), Split (25), Metkovic (25), Rijeka (20), and in Vodice (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over fifty times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.