In Croatia, Samovojska families are Croats (from Duga Resa ). In the past century, relatively most of Croatian residents bearing this family name were born in Zagreb and Duga Resa.
Prevalence
About 50 people with faimily name Samovojska live in Croatia today, in 30 households. There were 60 of them in the middle of the past century, and their number decreased by 20 percent. They are located in 6 Croatian counties, in 9 cities and threee other places, mostly in Duga Resa (25), Zagreb (20), Porec (<10), Badljevina (<5), and in Lipnik in Ozalj area (<5).
Outside Croatia
At least four families with this surname emigrated from Croatia to: Sweden (2), Germany (1), and to the United States (1). Family name Samovojska is present in four countries on two continents.
In the sources analysed in the project Acta Croatica so far, the name is mentioned few times, the first time 1906 in source Yearbook and Directory of Literary Society of St. Jerome 1906.