Hrastov families are Croats and they are mostly from Ozalj. In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Ozalj. In Boševci in Ozalj every third inhabitant had the family name Hrastov.
Prevalence
About 70 people with faimily name Hrastov live in Croatia today, in 30 households. There were 10 of them in the middle of the past century, and their number multiplied. They are located in 6 Croatian counties, in 7 cities and 10 other places, mostly in Bosevci (20), Ozalj (15), Karlovac (10), Cakovec (10), and in Nasice (<10).
Outside Croatia
Family name Hrastov is present in three countries on three continents.
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.