Petreković families are Croats and they are mostly from Bjelovar area. In the past century, relatively most of Croatian residents bearing this family name were born in Bjelovar and Zagreb. In Pustodol Začretski in Zabok area every ninth inhabitant had the family name Petreković.
Prevalence
About 310 people with faimily name Petreković live in Croatia today, in 130 households. There were 430 of them in the middle of the past century, and their number decreased by 30 percent. They are located in the most of Croatian counties, in 19 cities and 41 other places, mostly in Zagreb (45), Zapresic (40), Bjelovar (35), Pustodol Zacretski in Zabok area (25), and in Sandrovac in Bjelovar area (20).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over five times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.