In Croatia, Hrastek families are Croats (from Garesnica ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb.
Prevalence
Only a few people with faimily name Hrastek live in Croatia today, in two households only. They are located in three Croatian cities only: in Zagreb (<10), Novo Pracno (<5), and in Velika Brsljanica (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.