In Croatia, Slavec families are generally Croats (from Zabok area ), very rarely Slovenes. In the past century, relatively most of Croatian residents bearing this family name were born in Zabok area and in Zagreb.
Prevalence
About 20 people with faimily name Slavec live in Croatia today, in 7 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, threee cities and four other places, mostly in Radakovo in Zabok area (<10), Zagreb (<5), Kraljevec na Sutli in Zabok area (<5), Goljak Klanjecki (<5), and in Luka in Oroslavje area (<5).
Outside Croatia
Family name Slavec is present in 15 countries worldwide. The family name "Slavec " is used by some 90 people in the United States , about 70 in Italy , and small number of people in Austria.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1917 in source List of Dignitaries, Officials and Public Servants of the Kingdom of Croatia-Slavonia.