In Croatia, Orešnik families are predominantly Croats (from Krizevci ), rarely Slovenes (from Pula ), and very rarely Serbs. In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Pula.
Prevalence
About 20 people with faimily name Orešnik live in Croatia today, in 9 households. There were 30 of them in the middle of the past century, and their number decreased by 40 percent. They are located in four Croatian counties, threee cities and threee other places, mostly in Pula (<10), Zagreb (<10), Krizevci (<5), Zlebec Puscanski in Zapresic area (<5), and in Medulin in Pula area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned over ten times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.