In Croatia, Šporšić families are Croats (from Hrvatska Kostajnica area ). In the past century, relatively most of Croatian residents bearing this family name were born in Sisak and Zagreb.
Prevalence
About 10 people with faimily name Šporšić live in Croatia today, in four households only. They are located in only four Croatian places: in Strmen in Hrvatska Kostajnica area (<5), Lonja (<5), Zagreb (<5), and in Kast (<5).
Outside Croatia
Family name Šporšić is present in this form only in Croatia.