In Croatia, Slaček families are Croats (from Samobor ). In the past century, relatively most of Croatian residents bearing this family name were born in Virovitica area and in Slovenia.
Prevalence
Only a few people with faimily name Slaček live in Croatia today, in one household only. There were 0 of them in the middle of the past century, and their number multiplied. They are located in only one small Croatian place, in Mali Lipovec (<10).