In Croatia, Kruško families are mainly Croats (from Jastrebarsko area ), less frequently Bosniaks (from Middle Bosnia ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Middle Bosnia (Tesanj area) and in Jastrebarsko area. In Drinčići in Middle Bosnia every second inhabitant had the family name Kruško.
Prevalence
About 40 people with faimily name Kruško live in Croatia today, in 19 households. They are located in 9 Croatian counties, in 14 cities and 6 other places, mostly in Zagreb (20), Pula (<10), Silba (<10), Ogulin (<10), and in Slavonski Brod (<5).