In Croatia, Hrastovćak families are Croats (from Ozalj ). In the past century, relatively most of Croatian residents bearing this family name were born in Karlovac and Ozalj. In Tomašnica in Ozalj every seventieth inhabitant had the family name Hrastovćak.
Prevalence
Only a few people with faimily name Hrastovćak live in Croatia today, in one household only. They are located in only one small Croatian place, in Mali Erjavec (<5).
Outside Croatia
Family name Hrastovćak is present in three countries on three continents.
