In Croatia, Ameršek families are Croats (from Buje area ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and in Serbia.
Prevalence
Only a few people with faimily name Ameršek live in Croatia today, in four households only. There were 10 of them in the middle of the past century, and their number remains constant. They are located in only threee Croatian places: in Zagreb (<5), Brtonigla in Buje area (<5), and in Sljivovac in Glina area (<5).
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1925 in source Emigration Commission Zagreb.