In Croatia, Hrast families are Croats (from Porec ). In the past century, relatively most of Croatian residents bearing this family name were born in Porec and Pula.
Prevalence
About 30 people with faimily name Hrast live in Croatia today, in 10 households. There were 20 of them in the middle of the past century, and their number increased by 30 percent. They are located in four Croatian cities only: in Porec (15), Rijeka (<5), Zagreb (<5), and in Krk on the Island of Krk (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1736 in source Catholic Church Parish Records.