In Croatia, Šponar families are Croats (from Karlovac area ). In the past century, relatively most of Croatian residents bearing this family name were born in Gospic and Zagreb.
Prevalence
About 10 people with faimily name Šponar live in Croatia today, in 6 households. There were 10 of them in the middle of the past century, and their number remains constant. They are located in threee Croatian counties, two cities and another small place , mostly in Zagreb (<10), Draganic in Karlovac area (<5), and in Split (<5).