In Croatia, Zamečnik families are predominantly Croats (from Djakovo area ), rarely Hungarians (from Vinkovci area ). In the past century, relatively most of Croatian residents bearing this family name were born in Osijek and in Vinkovci area.
Prevalence
About 40 people with faimily name Zamečnik live in Croatia today, in 15 households. There were 30 of them in the middle of the past century, and their number increased by 20 percent. They are located in threee Croatian counties, two cities and four other places, mostly in Osijek (25), Laslovo in Osijek area (10), Korog in Vinkovci area (<5), Vinkovci (<5), and in Tisno on the Island of Murter (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1923 in source Emigration Commission Zagreb.