In Croatia, Avsec families are predominantly Croats (from the Island of Krk ), rarely Slovenes (from Pakrac ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Karlovac.
Prevalence
About 20 people with faimily name Avsec live in Croatia today, in 12 households. There were 20 of them in the middle of the past century, and their number remains constant. They are located in four Croatian counties and another small place , mostly in Karlovac (<10), Krk on the Island of Krk (<10), Zagreb (<10), Svetonedeljski Breg in Samobor area (<5), and in Rijeka (<5).
Outside Croatia
Family name Avsec is present in 13 countries on four continents. The family name "Avsec " is used by some 200 people in the United States , about 90 in Brazil , and some 90 people in France.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1924 in source Emigration Commission Zagreb.