In Croatia, Fačko families are predominantly Croats (from Doboj area, BiH ), rarely Hungarians (from Osijek area ), and very rarely Bosniaks. In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Doboj, Bosnia (Doboj area).
Prevalence
About 20 people with faimily name Fačko live in Croatia today, in 11 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in 6 Croatian counties, in 6 cities and 5 other places, mostly in Zagreb (<10), Osijek (<5), Petrinja (<5), Slatina (<5), and in Gornji Stupnik in Samobor area (<5).