In Croatia, Orešec families are Croats (from Zlatar area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Zlatar area.
Prevalence
About 20 people with faimily name Orešec live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number doubled. They are located in threee Croatian counties, threee cities and threee other places, mostly in Konjscina in Zlatar area (<10), Presecno (<10), Klimen in Zlatar area (<5), Zagreb (<5), and in Susobreg in Zlatar area (<5).
Outside Croatia
Family name Orešec is present in this form only in Croatia.